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    68 vulnerabilities found for Cisco Secure Firewall Threat Defense (FTD) Software by Cisco

    CVE-2026-20121 (GCVE-0-2026-20121)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:24 – Updated: 2026-09-18 19:08
    VLAI
    Title
    CIsco FTD Bypass Access List
    Summary
    A vulnerability in the access control list (ACL) Object Group Search (OGS) implementation of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access controls. This vulnerability is due to a logic error in populating group access control policies (ACPs) with OGS configured. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 15:56 UTC
    CWE
    • CWE-284 - Improper Access Control
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.23.1.3
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.22.2.13
    Affected: 9.23.1.19
    Affected: 9.22.2.14
    Affected: 9.23.1.22
    Affected: 9.22.2.20
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.6.0
    Affected: 7.7.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-20120 (GCVE-0-2026-20120)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:19 – Updated: 2026-09-18 19:08
    VLAI
    Title
    Cisco FTD ACL bypass vulnerability
    Summary
    A vulnerability in the access control list (ACL) Object Group Search (OGS) implementation of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access controls. This vulnerability is due to a logic error in populating group access control policies (ACPs) with OGS configured. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 16:03 UTC
    CWE
    • CWE-284 - Improper Access Control
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.23.1.3
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.22.2.13
    Affected: 9.23.1.19
    Affected: 9.22.2.14
    Affected: 9.23.1.22
    Affected: 9.22.2.20
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.6.0
    Affected: 7.7.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-20290 (GCVE-0-2026-20290)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:19 – Updated: 2026-09-17 17:29
    VLAI
    Title
    Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability
    Summary
    A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL certificate. An attacker could exploit this vulnerability by sending a crafted SSL connection setup request to be parsed by Snort 2. A successful exploit could allow the attacker to cause the Snort 2 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 17:25 UTC
    CWE
    • CWE-805 - Buffer Access with Incorrect Length Value
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                "privilegesRequired": "NONE",
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          "title": "Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability"
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        "dateReserved": "2025-10-08T11:59:15.405Z",
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    CVE-2026-20248 (GCVE-0-2026-20248)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:17 – Updated: 2026-09-18 19:08
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability
    Summary
    A vulnerability in the DNS over TCP implementation of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the TCP DNS response handler to unexpectedly restart, causing the device to reload. This vulnerability is due to a logic error when parsing a DNS query and tracking the size of the incoming buffers. An attacker could exploit this vulnerability by formatting a crafted reply to a DNS query sent from the targeted device. A successful exploit could allow the attacker to cause the device to reload, causing a denial of service (DoS) condition. Note: The attacker must be able to respond to DNS queries from the device, either by controlling the DNS service or through a machine-in-the-middle attack.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 13:32 UTC
    CWE
    • CWE-195 - Signed to Unsigned Conversion Error
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.18.1
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.19.1
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.19.1.5
    Affected: 9.16.4.18
    Affected: 9.19.1.9
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.19.1.12
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.19.1.18
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.19.1.22
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.19.1.24
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.19.1.28
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.19.1.31
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.19.1.37
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-20323 (GCVE-0-2026-20323)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:15 – Updated: 2026-09-17 11:39
    VLAI
    Title
    Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Unauthorized Authentication Bypass Vulnerability
    Summary
    A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to impersonate the peer device and obtain access at the level of the manager role, which is equivalent to root. This vulnerability is due to improper management of the TLS certificate for the sftunnel management connection. An attacker could exploit this vulnerability by connecting to the sftunnel port using a crafted TLS certificate. A successful exploit could allow the attacker to become a registered sftunnel peer with root access. Note: The attack is successful only if the sftunnel connection is down or the attack can disrupt the sftunnel connection long enough to execute the attack.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 03:57 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Affected: 7.0.10
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.4.7
    Affected: 7.0.10
    Create a notification for this product.
    Show details on NVD website

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          "title": "Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Unauthorized Authentication Bypass Vulnerability"
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      "cveMetadata": {
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    CVE-2026-20333 (GCVE-0-2026-20333)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:14 – Updated: 2026-09-18 19:10
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20333 are related to incorrect comparison conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-697.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 03:57 UTC
    CWE
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.16.4.70"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                  "version": "9.22.1.1"
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                {
                  "status": "affected",
                  "version": "9.16.4.71"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                {
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                {
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "9.20.4.28"
                },
                {
                  "status": "affected",
                  "version": "9.22.3.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.92"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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              "lang": "en",
              "value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20333 are related to incorrect comparison conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-697."
            }
          ],
          "exploits": [
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              "lang": "en",
              "value": "Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
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                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
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                  "cweId": "CWE-697",
                  "description": "Incorrect Comparison",
                  "lang": "en",
                  "type": "cwe"
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          "providerMetadata": {
            "dateUpdated": "2026-09-18T19:10:06.359Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN"
            }
          ],
          "source": {
            "advisory": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
            "defects": [
              "CSCwu46584"
            ],
            "discovery": "INTERNAL"
          },
          "title": "Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20333",
        "datePublished": "2026-09-16T20:14:31.366Z",
        "dateReserved": "2025-10-08T11:59:15.412Z",
        "dateUpdated": "2026-09-18T19:10:06.359Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20334 (GCVE-0-2026-20334)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:14 – Updated: 2026-09-18 19:10
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20334 are related to issues concerning improper adherence to coding standards that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-710.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 03:57 UTC
    CWE
    • CWE-710 - Improper Adherence to Coding Standards
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20334",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-09-17T03:57:42.844373Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-09-17T11:39:22.575Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "9.16.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.16.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.39"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.46"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.27"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.55"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.56"
                },
                {
                  "status": "affected",
                  "version": "9.20.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.20.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.10"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.21"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.20.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.22.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.20"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.24.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.20"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.26"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.89"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.32"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.22.3"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.28"
                },
                {
                  "status": "affected",
                  "version": "9.22.3.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.92"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.135"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.195"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.155"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.32"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.24.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.235"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Management Center (FMC)",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "7.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.6"
                },
                {
                  "status": "affected",
                  "version": "7.2.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.6"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.7"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.0.7"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.10"
                },
                {
                  "status": "affected",
                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
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    CVE-2026-20332 (GCVE-0-2026-20332)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:13 – Updated: 2026-09-18 19:10
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-20332 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 03:57 UTC
    CWE
    • CWE-284 - Improper Access Control
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.22.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.20"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.24.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.20"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.26"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.89"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.32"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.22.3"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.28"
                },
                {
                  "status": "affected",
                  "version": "9.22.3.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.92"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.135"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.195"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.155"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.32"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.24.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.235"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Management Center (FMC)",
              "vendor": "Cisco",
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                {
                  "status": "affected",
                  "version": "7.0.5"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.2.3"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.0.6.3"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.2.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.5"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
                {
                  "status": "affected",
                  "version": "7.2.11"
                },
                {
                  "status": "affected",
                  "version": "7.7.12"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.4.6"
                },
                {
                  "status": "affected",
                  "version": "10.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.7"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
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                {
                  "status": "affected",
                  "version": "7.0.0.1"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.0.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.0.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.7"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
                {
                  "status": "affected",
                  "version": "7.4.7"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. \u0026nbsp;\r\n\r\nThe vulnerabilities tracked by CVE-2026-20332 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.9,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-284",
                  "description": "Improper Access Control",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-18T19:10:06.697Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN"
            }
          ],
          "source": {
            "advisory": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
            "defects": [
              "CSCwu12571"
            ],
            "discovery": "INTERNAL"
          },
          "title": "Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20332",
        "datePublished": "2026-09-16T20:13:54.216Z",
        "dateReserved": "2025-10-08T11:59:15.412Z",
        "dateUpdated": "2026-09-18T19:10:06.697Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20154 (GCVE-0-2026-20154)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:13 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service
    Summary
    A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improper rate limiting for syslog message 419002. An attacker could exploit this vulnerability by sending a flood of TCP synchronization (SYN) packets to an affected device. A successful exploit could allow the attacker to cause high CPU utilization, resulting in performance degradation.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-18 14:39 UTC
    CWE
    • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.18.1
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.19.1
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.19.1.5
    Affected: 9.16.4.18
    Affected: 9.19.1.9
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.19.1.12
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.19.1.18
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.19.1.22
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.19.1.24
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.19.1.28
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.19.1.31
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.19.1.37
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 7.4.4
    Create a notification for this product.
    Show details on NVD website

    {
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.22.2.4"
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                  "status": "affected",
                  "version": "9.23.1.7"
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                {
                  "status": "affected",
                  "version": "9.20.4"
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                {
                  "status": "affected",
                  "version": "9.22.2.9"
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                {
                  "status": "affected",
                  "version": "9.23.1.13"
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                  "status": "affected",
                  "version": "9.20.4.7"
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                  "status": "affected",
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                  "status": "affected",
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              "vendor": "Cisco",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.2.4"
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                {
                  "status": "affected",
                  "version": "7.2.5"
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                {
                  "status": "affected",
                  "version": "7.2.4.1"
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                {
                  "status": "affected",
                  "version": "7.3.1.1"
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                {
                  "status": "affected",
                  "version": "7.4.0"
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                {
                  "status": "affected",
                  "version": "7.0.6.1"
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                {
                  "status": "affected",
                  "version": "7.2.5.1"
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                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.6"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.7"
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                {
                  "status": "affected",
                  "version": "7.2.5.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
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                {
                  "status": "affected",
                  "version": "7.2.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.0.7"
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.4.2.2"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.7.11"
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                  "status": "affected",
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                },
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                  "status": "affected",
                  "version": "7.6.2.1"
                },
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                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
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                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
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                  "status": "affected",
                  "version": "7.6.4"
                },
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper rate limiting for syslog message 419002. An attacker could exploit this vulnerability by sending a flood of TCP synchronization (SYN) packets to an affected device. A successful exploit could allow the attacker to cause high CPU utilization, resulting in performance degradation.\u0026nbsp;"
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
            }
          ],
          "metrics": [
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              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-835",
                  "description": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
                  "lang": "en",
                  "type": "cwe"
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            "dateUpdated": "2026-09-18T19:09:05.715Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
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          "references": [
            {
              "name": "cisco-sa-asa-ftd-logging-dos-ZXXNesfN",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-logging-dos-ZXXNesfN"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asa-ftd-logging-dos-ZXXNesfN",
            "defects": [
              "CSCwq97424"
            ],
            "discovery": "EXTERNAL"
          },
          "title": "Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20154",
        "datePublished": "2026-09-16T20:13:40.103Z",
        "dateReserved": "2025-10-08T11:59:15.386Z",
        "dateUpdated": "2026-09-18T19:09:05.715Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20222 (GCVE-0-2026-20222)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:12 – Updated: 2026-09-18 19:08
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability
    Summary
    A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when handling EIGRP update messages. An attacker could exploit this vulnerability by sending crafted EIGRP updates at a high rate to an affected device. A successful exploit could allow the attacker to trigger a memory leak that will eventually cause the affected device to reload unexpectedly.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 14:52 UTC
    CWE
    • CWE-401 - Missing Release of Memory after Effective Lifetime
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.20.1
    Affected: 9.19.1.22
    Affected: 9.20.1.5
    Affected: 9.19.1.24
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.20.2.10
    Affected: 9.19.1.28
    Affected: 9.20.2.21
    Affected: 9.19.1.31
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.19.1.37
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.22.2.14
    Affected: 9.24.1
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.22.2.32
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-20135 (GCVE-0-2026-20135)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:12 – Updated: 2026-09-17 13:40
    VLAI
    Title
    Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability
    Summary
    A vulnerability in the TLS 1.3 implementation in Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper buffer management during the TLS 1.3 connection. An attacker could exploit this vulnerability by sending a crafted TLS 1.3 packet to an affected system through a TLS 1.3-enabled listening socket. A successful exploit could allow the attacker to cause the LINA process to crash, which would cause the device to reload. The reload can happen before or after authentication of the connection.Note: TLS 1.3 connections include both data traffic and user-management traffic.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 13:35 UTC
    CWE
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Create a notification for this product.
    Show details on NVD website

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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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          "title": "Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability"
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      "cveMetadata": {
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    CVE-2026-20336 (GCVE-0-2026-20336)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:11 – Updated: 2026-09-18 19:10
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Resource Lifetime Management Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20336 are related to issues concerning improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 00:00 UTC
    CWE
    • CWE-664 - Improper Control of a Resource Through its Lifetime
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                  "status": "affected",
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                  "status": "affected",
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    CVE-2026-20249 (GCVE-0-2026-20249)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:11 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability
    Summary
    A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2) for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly. This vulnerability is due to a logic error during the certificate authentication phase of the IKEv2 connection setup. An attacker could exploit this vulnerability by attempting to establish an IKEv2 VPN connection with a crafted certificate. A successful exploit could allow the attacker to cause the IKEv2 process to crash, causing a denial of service (DoS) condition.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-18 14:39 UTC
    CWE
    • CWE-704 - Incorrect Type Conversion or Cast
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.18.1
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.19.1
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.19.1.5
    Affected: 9.16.4.18
    Affected: 9.19.1.9
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.19.1.12
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.19.1.18
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.19.1.22
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.19.1.24
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.19.1.28
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.19.1.31
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.19.1.37
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.18.4.82
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.19.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.9"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
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                {
                  "status": "affected",
                  "version": "9.19.1.12"
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                {
                  "status": "affected",
                  "version": "9.18.3.46"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                {
                  "status": "affected",
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                {
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                {
                  "status": "affected",
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                {
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.18.4.5"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.16.4.48"
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.19.1.28"
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                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.31"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
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                {
                  "status": "affected",
                  "version": "9.16.4.62"
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                {
                  "status": "affected",
                  "version": "9.18.4.34"
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                {
                  "status": "affected",
                  "version": "9.20.3"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
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                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
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                {
                  "status": "affected",
                  "version": "9.20.3.4"
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                {
                  "status": "affected",
                  "version": "9.18.4.47"
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.18.4.50"
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                {
                  "status": "affected",
                  "version": "9.22.1.3"
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                {
                  "status": "affected",
                  "version": "9.20.3.10"
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                {
                  "status": "affected",
                  "version": "9.22.1.2"
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                {
                  "status": "affected",
                  "version": "9.18.4.52"
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                {
                  "status": "affected",
                  "version": "9.20.3.13"
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                  "status": "affected",
                  "version": "9.22.1.6"
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                {
                  "status": "affected",
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                  "status": "affected",
                  "version": "9.16.4.82"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.22.2.4"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.20.4.22"
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                  "status": "affected",
                  "version": "9.24.1.9"
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                {
                  "status": "affected",
                  "version": "9.20.4.28"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.18.4.135"
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                  "status": "affected",
                  "version": "9.23.1.195"
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.24.1.155"
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                  "status": "affected",
                  "version": "9.23.1.32"
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                {
                  "status": "affected",
                  "version": "9.18.4.82"
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              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.4.2.1"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
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                  "status": "affected",
                  "version": "10.0.0"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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              ]
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2)\u0026nbsp;for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly.\r\n\r\nThis vulnerability is due to a logic error during the certificate authentication phase of the IKEv2 connection setup. An attacker could exploit this vulnerability by attempting to establish an IKEv2 VPN connection with a crafted certificate. A successful exploit could allow the attacker to cause the IKEv2 process to crash, causing a denial of service (DoS) condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-704",
                  "description": "Incorrect Type Conversion or Cast",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-18T19:09:05.719Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv",
            "defects": [
              "CSCwt42671"
            ],
            "discovery": "EXTERNAL"
          },
          "title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20249",
        "datePublished": "2026-09-16T20:11:43.164Z",
        "dateReserved": "2025-10-08T11:59:15.401Z",
        "dateUpdated": "2026-09-18T19:09:05.719Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20335 (GCVE-0-2026-20335)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:10 – Updated: 2026-09-18 19:10
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Calculation Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20335 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-18 03:56 UTC
    CWE
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20335",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-09-18T03:56:05.270502Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-09-18T13:41:16.060Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "9.16.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.16.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.39"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.46"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.27"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.55"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.56"
                },
                {
                  "status": "affected",
                  "version": "9.20.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.20.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.10"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.21"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.20.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.22.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.20"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.24.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.20"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.26"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.89"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.32"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.22.3"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.28"
                },
                {
                  "status": "affected",
                  "version": "9.22.3.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.92"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.135"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.195"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.155"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.32"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.24.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.235"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Management Center (FMC)",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "7.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.6"
                },
                {
                  "status": "affected",
                  "version": "7.2.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.6"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.7"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.0.7"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.10"
                },
                {
                  "status": "affected",
                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.5"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
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    CVE-2026-20295 (GCVE-0-2026-20295)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:09 – Updated: 2026-09-17 13:40
    VLAI
    Title
    Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Memory Exhaustion Denial of Service Vulnerability
    Summary
    A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device. This vulnerability is due to improper management of memory resources during sftunnel TLS connection setup. An attacker could exploit this vulnerability by sending crafted sftunnel TLS frames to an affected device during the connection setup. A successful exploit could allow the attacker to exhaust the available memory on the affected device, which could result in a DoS condition.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 13:34 UTC
    CWE
    • CWE-789 - Memory Allocation with Excessive Size Value
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Create a notification for this product.
    Show details on NVD website

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                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
                {
                  "status": "affected",
                  "version": "7.2.11"
                }
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device.\r\n\r\nThis vulnerability is due to improper management of memory resources during sftunnel TLS connection setup. An attacker could exploit this vulnerability by sending crafted sftunnel TLS frames to an affected device\u0026nbsp;during the connection setup. A successful exploit could allow the attacker to exhaust the available memory on the affected device, which could result in a DoS condition."
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          ],
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                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
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          "providerMetadata": {
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    CVE-2026-20250 (GCVE-0-2026-20250)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:09 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability
    Summary
    A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management when processing certain DTLS messages. An attacker could exploit this vulnerability by sending a crafted stream of DTLS traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 14:54 UTC
    CWE
    • CWE-772 - Missing Release of Resource after Effective Lifetime
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.23.1.3
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.22.2.13
    Affected: 9.23.1.19
    Affected: 9.22.2.14
    Affected: 9.24.1
    Affected: 9.23.1.22
    Affected: 9.22.2.20
    Affected: 9.23.1.26
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.6.0
    Affected: 7.7.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.6.4
    Affected: 10.0.0
    Create a notification for this product.
    Show details on NVD website

    {
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                  "status": "affected",
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    CVE-2026-20330 (GCVE-0-2026-20330)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:03 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-20330 are related to improper neutralization issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-18 03:55 UTC
    CWE
    • CWE-707 - Improper Neutralization
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                {
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                },
                {
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.0.7"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
                {
                  "status": "affected",
                  "version": "7.4.7"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. \u0026nbsp;\r\n\r\nThe vulnerabilities tracked by CVE-2026-20330 are related to improper neutralization issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.9,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-707",
                  "description": "Improper Neutralization",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-18T19:09:17.609Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN"
            }
          ],
          "source": {
            "advisory": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
            "defects": [
              "CSCwu43335"
            ],
            "discovery": "INTERNAL"
          },
          "title": "Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20330",
        "datePublished": "2026-09-16T20:03:09.987Z",
        "dateReserved": "2025-10-08T11:59:15.412Z",
        "dateUpdated": "2026-09-18T19:09:17.609Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20329 (GCVE-0-2026-20329)

    Vulnerability from cvelistv5 – Published: 2026-09-16 20:02 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 00:00 UTC
    CWE
    • CWE-703 - Improper Check or Handling of Exceptional Conditions
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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                  "status": "affected",
                  "version": "9.22.1.1"
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                {
                  "status": "affected",
                  "version": "9.16.4.71"
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                {
                  "status": "affected",
                  "version": "9.20.3.4"
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                {
                  "status": "affected",
                  "version": "9.18.4.47"
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                {
                  "status": "affected",
                  "version": "9.20.3.7"
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                {
                  "status": "affected",
                  "version": "9.16.4.76"
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                  "status": "affected",
                  "version": "9.20.3.9"
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                  "version": "9.23.1.13"
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                  "status": "affected",
                  "version": "9.20.4.7"
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                {
                  "status": "affected",
                  "version": "9.22.2.13"
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                  "status": "affected",
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                  "status": "affected",
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                  "version": "9.22.2.20"
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                },
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                  "version": "9.22.3.5"
                },
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.24.10"
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                {
                  "status": "affected",
                  "version": "9.20.4.235"
                }
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              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Management Center (FMC)",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "7.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.2.2"
                },
                {
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    CVE-2026-20331 (GCVE-0-2026-20331)

    Vulnerability from cvelistv5 – Published: 2026-09-16 16:56 – Updated: 2026-09-18 19:09
    VLAI
    Title
    Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities
    Summary
    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-20331 are related to the failure of protection mechanisms issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-693.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-16 00:00 UTC
    CWE
    • CWE-693 - Protection Mechanism Failure
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.16.4.18
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Affected: 9.24.10
    Affected: 9.20.4.235
    Create a notification for this product.
    Cisco Cisco Secure Firewall Management Center (FMC) Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.3.1
    Affected: 7.2.3
    Affected: 7.2.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.4.1.1
    Affected: 7.0.6.2
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.2.10.1
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.2.10.2
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.3
    Affected: 7.7.11
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.4.5
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.7.12
    Affected: 7.6.5
    Affected: 7.4.6
    Affected: 10.0.1
    Affected: 7.4.7
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.0.6
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.4.1
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.3.1.2
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.4.7
    Create a notification for this product.
    Show details on NVD website

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              "value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. \u0026nbsp;\r\n\r\nThe vulnerabilities tracked by CVE-2026-20331 are related to the failure of protection mechanisms issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-693."
            }
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          "exploits": [
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              "value": "Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
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                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 9.6,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L",
                "version": "3.1"
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                  "description": "Protection Mechanism Failure",
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          "providerMetadata": {
            "dateUpdated": "2026-09-18T19:09:40.117Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
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          "references": [
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              "name": "cisco-sa-hardening-asaftdfmc-uvpPROhN",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN"
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          "source": {
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            "defects": [
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            "discovery": "INTERNAL"
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          "title": "Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20331",
        "datePublished": "2026-09-16T16:56:18.183Z",
        "dateReserved": "2025-10-08T11:59:15.412Z",
        "dateUpdated": "2026-09-18T19:09:40.117Z",
        "state": "PUBLISHED"
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20349 (GCVE-0-2026-20349)

    Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-09-16 20:15
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
    Summary
    A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.  This vulnerability is due to insufficient error checking when processing HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: active Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-11 00:00 UTC
    CWE
    • CWE-244 - Improper Clearing of Heap Memory Before Release ('Heap Inspection')
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.18.1
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.18.2.7
    Affected: 9.19.1
    Affected: 9.16.4.9
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.19.1.5
    Affected: 9.16.4.18
    Affected: 9.19.1.9
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.19.1.12
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.19.1.18
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.19.1.22
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.19.1.24
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.19.1.28
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.19.1.31
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.19.1.37
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.16.4.85
    Affected: 9.22.2.14
    Affected: 9.18.4.67
    Affected: 9.24.1
    Affected: 9.18.4.68
    Affected: 9.23.1.22
    Affected: 9.20.4.14
    Affected: 9.22.2.20
    Affected: 9.18.4.71
    Affected: 9.20.4.19
    Affected: 9.23.1.26
    Affected: 9.16.4.89
    Affected: 9.22.2.32
    Affected: 9.18.4.76
    Affected: 9.22.3
    Affected: 9.24.1.5
    Affected: 9.20.4.22
    Affected: 9.24.1.9
    Affected: 9.20.4.28
    Affected: 9.22.3.5
    Affected: 9.16.4.92
    Affected: 9.18.4.135
    Affected: 9.23.1.195
    Affected: 9.20.4.30
    Affected: 9.24.1.155
    Affected: 9.23.1.32
    Affected: 9.24.1.11
    Affected: 9.20.4.34
    Affected: 9.18.4.82
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.7.11
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Affected: 7.4.3
    Affected: 7.6.4
    Affected: 10.0.0
    Affected: 7.4.4
    Affected: 7.0.9
    Affected: 7.2.11
    Affected: 7.4.7
    Affected: 10.0.2
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20349",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-08-11T00:00:00+00:00",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2026-08-11",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20349"
                  },
                  "type": "kev"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-08-12T04:00:28.075Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20349"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2026-08-11T00:00:00.000Z",
                "value": "CVE-2026-20349 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "9.16.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.16.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.19.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.39"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.12"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.46"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.27"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.18"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.55"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.56"
                },
                {
                  "status": "affected",
                  "version": "9.20.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.42"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.18.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.5"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.24"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.20.2"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.27"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.10"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.21"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.31"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.20.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.37"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.38"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.22.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.20"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.24.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.20"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.26"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.89"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.32"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.22.3"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.28"
                },
                {
                  "status": "affected",
                  "version": "9.22.3.5"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.92"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.135"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.195"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.155"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.32"
                },
                {
                  "status": "affected",
                  "version": "9.24.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.82"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "7.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.0.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.5"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.6"
                },
                {
                  "status": "affected",
                  "version": "7.2.5"
                },
                {
                  "status": "affected",
                  "version": "7.2.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.6"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.7"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.0.6.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.0.7"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.10"
                },
                {
                  "status": "affected",
                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.0.8"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.7.10"
                },
                {
                  "status": "affected",
                  "version": "7.7.11"
                },
                {
                  "status": "affected",
                  "version": "7.0.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.10.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.4"
                },
                {
                  "status": "affected",
                  "version": "10.0.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.4"
                },
                {
                  "status": "affected",
                  "version": "7.0.9"
                },
                {
                  "status": "affected",
                  "version": "7.2.11"
                },
                {
                  "status": "affected",
                  "version": "7.4.7"
                },
                {
                  "status": "affected",
                  "version": "10.0.2"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient error checking when processing HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "In August 2026, the Cisco PSIRT became aware of active exploitation of this vulnerability. Cisco strongly recommends that customers upgrade to a fixed software release to remediate this vulnerability."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-244",
                  "description": "Improper Clearing of Heap Memory Before Release (\u0027Heap Inspection\u0027)",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-16T20:15:35.860Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-asaftd-vpn-dos-dzv4mQFF",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-dzv4mQFF"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asaftd-vpn-dos-dzv4mQFF",
            "defects": [
              "CSCwv96220"
            ],
            "discovery": "EXTERNAL"
          },
          "title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20349",
        "datePublished": "2026-08-11T17:06:03.091Z",
        "dateReserved": "2025-10-08T11:59:15.413Z",
        "dateUpdated": "2026-09-16T20:15:35.860Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20012 (GCVE-0-2026-20012)

    Vulnerability from cvelistv5 – Published: 2026-03-25 16:03 – Updated: 2026-03-26 17:37
    VLAI
    Summary
    A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device. A successful exploit of Cisco IOS Software and IOS XE Software could allow the attacker to cause the affected device to reload, resulting in a DoS condition. A successful exploit of Cisco Secure Firewall ASA Software and Secure FTD Software could allow the attacker to partially exhaust system memory, resulting in system instability, such as the inability to establish new IKEv2 VPN sessions. A manual reboot of the device is required to recover from this condition.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-26 17:37 UTC
    CWE
    • CWE-401 - Missing Release of Memory after Effective Lifetime
    Impacted products
    Vendor Product Version
    Cisco IOS Affected: 15.2(1)S
    Affected: 15.2(2)S
    Affected: 15.2(1)S1
    Affected: 15.2(4)S
    Affected: 15.2(1)S2
    Affected: 15.2(2)S1
    Affected: 15.2(2)S2
    Affected: 15.2(2)S0a
    Affected: 15.2(2)S0c
    Affected: 15.2(4)S1
    Affected: 15.2(4)S4
    Affected: 15.2(4)S6
    Affected: 15.2(4)S2
    Affected: 15.2(4)S5
    Affected: 15.2(4)S3
    Affected: 15.2(4)S3a
    Affected: 15.2(4)S4a
    Affected: 15.2(4)S7
    Affected: 15.3(1)T
    Affected: 15.3(2)T
    Affected: 15.3(1)T1
    Affected: 15.3(1)T2
    Affected: 15.3(1)T3
    Affected: 15.3(1)T4
    Affected: 15.3(2)T1
    Affected: 15.3(2)T2
    Affected: 15.3(2)T3
    Affected: 15.3(2)T4
    Affected: 15.0(2)EY
    Affected: 15.0(2)EY1
    Affected: 15.0(2)EY2
    Affected: 15.0(2)EY3
    Affected: 15.1(2)S
    Affected: 15.1(1)S
    Affected: 15.1(1)S1
    Affected: 15.1(3)S
    Affected: 15.1(1)S2
    Affected: 15.1(2)S1
    Affected: 15.1(2)S2
    Affected: 15.1(3)S1
    Affected: 15.1(3)S0a
    Affected: 15.1(3)S2
    Affected: 15.1(3)S4
    Affected: 15.1(3)S3
    Affected: 15.1(3)S5
    Affected: 15.1(3)S6
    Affected: 15.1(3)S5a
    Affected: 15.1(4)M3
    Affected: 15.1(4)M
    Affected: 15.1(4)M1
    Affected: 15.1(4)M2
    Affected: 15.1(4)M6
    Affected: 15.1(4)M5
    Affected: 15.1(4)M4
    Affected: 15.1(4)M7
    Affected: 15.1(4)M3a
    Affected: 15.1(4)M10
    Affected: 15.1(4)M8
    Affected: 15.1(4)M9
    Affected: 15.0(2)SE
    Affected: 15.0(2)SE1
    Affected: 15.0(2)SE2
    Affected: 15.0(2)SE3
    Affected: 15.0(2)SE4
    Affected: 15.0(2)SE5
    Affected: 15.0(2)SE6
    Affected: 15.0(2)SE7
    Affected: 15.0(2)SE8
    Affected: 15.0(2)SE9
    Affected: 15.0(2)SE10
    Affected: 15.0(2)SE11
    Affected: 15.0(2)SE10a
    Affected: 15.0(2)SE12
    Affected: 15.0(2)SE13
    Affected: 15.1(2)GC
    Affected: 15.1(2)GC1
    Affected: 15.1(2)GC2
    Affected: 15.1(4)GC
    Affected: 15.1(4)GC1
    Affected: 15.1(4)GC2
    Affected: 15.1(1)SG
    Affected: 15.1(2)SG
    Affected: 15.1(1)SG1
    Affected: 15.1(1)SG2
    Affected: 15.1(2)SG1
    Affected: 15.1(2)SG2
    Affected: 15.1(2)SG3
    Affected: 15.1(2)SG4
    Affected: 15.1(2)SG5
    Affected: 15.1(2)SG6
    Affected: 15.1(2)SG7
    Affected: 15.1(2)SG8
    Affected: 15.2(4)M
    Affected: 15.2(4)M1
    Affected: 15.2(4)M2
    Affected: 15.2(4)M4
    Affected: 15.2(4)M3
    Affected: 15.2(4)M5
    Affected: 15.2(4)M8
    Affected: 15.2(4)M10
    Affected: 15.2(4)M7
    Affected: 15.2(4)M6
    Affected: 15.2(4)M9
    Affected: 15.2(4)M6a
    Affected: 15.2(4)M11
    Affected: 15.2(1)GC
    Affected: 15.2(1)GC1
    Affected: 15.2(1)GC2
    Affected: 15.2(2)GC
    Affected: 15.2(3)GC
    Affected: 15.2(3)GC1
    Affected: 15.2(4)GC
    Affected: 15.2(4)GC1
    Affected: 15.2(4)GC2
    Affected: 15.2(4)GC3
    Affected: 15.1(1)SY
    Affected: 15.1(1)SY1
    Affected: 15.1(2)SY
    Affected: 15.1(2)SY1
    Affected: 15.1(2)SY2
    Affected: 15.1(1)SY2
    Affected: 15.1(1)SY3
    Affected: 15.1(2)SY3
    Affected: 15.1(1)SY4
    Affected: 15.1(2)SY4
    Affected: 15.1(1)SY5
    Affected: 15.1(2)SY5
    Affected: 15.1(2)SY4a
    Affected: 15.1(1)SY6
    Affected: 15.1(2)SY6
    Affected: 15.1(2)SY7
    Affected: 15.1(2)SY8
    Affected: 15.1(2)SY9
    Affected: 15.1(2)SY10
    Affected: 15.1(2)SY11
    Affected: 15.1(2)SY12
    Affected: 15.1(2)SY13
    Affected: 15.1(2)SY14
    Affected: 15.1(2)SY15
    Affected: 15.1(2)SY16
    Affected: 15.3(1)S
    Affected: 15.3(2)S
    Affected: 15.3(3)S
    Affected: 15.3(1)S2
    Affected: 15.3(1)S1
    Affected: 15.3(2)S2
    Affected: 15.3(2)S1
    Affected: 15.3(3)S1
    Affected: 15.3(3)S2
    Affected: 15.3(3)S3
    Affected: 15.3(3)S6
    Affected: 15.3(3)S4
    Affected: 15.3(3)S1a
    Affected: 15.3(3)S5
    Affected: 15.3(3)S7
    Affected: 15.3(3)S8
    Affected: 15.3(3)S9
    Affected: 15.3(3)S10
    Affected: 15.3(3)S8a
    Affected: 15.4(1)T
    Affected: 15.4(2)T
    Affected: 15.4(1)T2
    Affected: 15.4(1)T1
    Affected: 15.4(1)T3
    Affected: 15.4(2)T1
    Affected: 15.4(2)T3
    Affected: 15.4(2)T2
    Affected: 15.4(1)T4
    Affected: 15.4(2)T4
    Affected: 15.0(2)EA
    Affected: 15.0(2)EA1
    Affected: 15.2(1)E
    Affected: 15.2(2)E
    Affected: 15.2(1)E1
    Affected: 15.2(3)E
    Affected: 15.2(1)E2
    Affected: 15.2(1)E3
    Affected: 15.2(2)E1
    Affected: 15.2(4)E
    Affected: 15.2(3)E1
    Affected: 15.2(2)E2
    Affected: 15.2(2a)E1
    Affected: 15.2(2)E3
    Affected: 15.2(2a)E2
    Affected: 15.2(3)E2
    Affected: 15.2(3a)E
    Affected: 15.2(3)E3
    Affected: 15.2(4)E1
    Affected: 15.2(2)E4
    Affected: 15.2(2)E5
    Affected: 15.2(4)E2
    Affected: 15.2(3)E4
    Affected: 15.2(5)E
    Affected: 15.2(4)E3
    Affected: 15.2(2)E6
    Affected: 15.2(5a)E
    Affected: 15.2(5)E1
    Affected: 15.2(5b)E
    Affected: 15.2(2)E5a
    Affected: 15.2(5c)E
    Affected: 15.2(2)E5b
    Affected: 15.2(5a)E1
    Affected: 15.2(4)E4
    Affected: 15.2(2)E7
    Affected: 15.2(5)E2
    Affected: 15.2(6)E
    Affected: 15.2(4)E5
    Affected: 15.2(5)E2c
    Affected: 15.2(2)E8
    Affected: 15.2(6)E0a
    Affected: 15.2(6)E1
    Affected: 15.2(6)E0c
    Affected: 15.2(4)E6
    Affected: 15.2(6)E2
    Affected: 15.2(2)E9
    Affected: 15.2(4)E7
    Affected: 15.2(7)E
    Affected: 15.2(2)E10
    Affected: 15.2(4)E8
    Affected: 15.2(6)E2a
    Affected: 15.2(6)E2b
    Affected: 15.2(7)E1
    Affected: 15.2(7)E0a
    Affected: 15.2(7)E0b
    Affected: 15.2(7)E0s
    Affected: 15.2(6)E3
    Affected: 15.2(4)E9
    Affected: 15.2(7)E2
    Affected: 15.2(7a)E0b
    Affected: 15.2(4)E10
    Affected: 15.2(7)E3
    Affected: 15.2(7)E1a
    Affected: 15.2(7b)E0b
    Affected: 15.2(7)E2a
    Affected: 15.2(4)E10a
    Affected: 15.2(7)E4
    Affected: 15.2(7)E3k
    Affected: 15.2(8)E
    Affected: 15.2(8)E1
    Affected: 15.2(7)E5
    Affected: 15.2(7)E6
    Affected: 15.2(8)E2
    Affected: 15.2(4)E10d
    Affected: 15.2(7)E7
    Affected: 15.2(8)E3
    Affected: 15.2(7)E8
    Affected: 15.2(8)E4
    Affected: 15.2(7)E9
    Affected: 15.2(8)E5
    Affected: 15.2(8)E6
    Affected: 15.2(7)E10
    Affected: 15.2(7)E11
    Affected: 15.2(8)E7
    Affected: 15.2(7)E12
    Affected: 15.2(8)E8
    Affected: 15.2(7)E13
    Affected: 15.2(2)JB
    Affected: 15.2(2)JB2
    Affected: 15.2(4)JB
    Affected: 15.2(2)JB3
    Affected: 15.2(4)JB1
    Affected: 15.2(4)JB3
    Affected: 15.2(4)JB3a
    Affected: 15.2(2)JB4
    Affected: 15.2(4)JB4
    Affected: 15.2(4)JB3b
    Affected: 15.2(4)JB3s
    Affected: 15.2(4)JB5
    Affected: 15.2(4)JB5m
    Affected: 15.2(4)JB6
    Affected: 15.2(2)JB5
    Affected: 15.2(2)JB6
    Affected: 15.4(1)S
    Affected: 15.4(2)S
    Affected: 15.4(3)S
    Affected: 15.4(1)S1
    Affected: 15.4(1)S2
    Affected: 15.4(2)S1
    Affected: 15.4(1)S3
    Affected: 15.4(3)S1
    Affected: 15.4(2)S2
    Affected: 15.4(3)S2
    Affected: 15.4(3)S3
    Affected: 15.4(1)S4
    Affected: 15.4(2)S3
    Affected: 15.4(2)S4
    Affected: 15.4(3)S4
    Affected: 15.4(3)S5
    Affected: 15.4(3)S6
    Affected: 15.4(3)S7
    Affected: 15.4(3)S6a
    Affected: 15.4(3)S8
    Affected: 15.4(3)S9
    Affected: 15.4(3)S10
    Affected: 15.2(2)JAX
    Affected: 15.3(3)M
    Affected: 15.3(3)M1
    Affected: 15.3(3)M2
    Affected: 15.3(3)M3
    Affected: 15.3(3)M5
    Affected: 15.3(3)M4
    Affected: 15.3(3)M6
    Affected: 15.3(3)M7
    Affected: 15.3(3)M8
    Affected: 15.3(3)M9
    Affected: 15.3(3)M10
    Affected: 15.3(3)M8a
    Affected: 15.2(1)EY
    Affected: 15.0(2)EJ
    Affected: 15.0(2)EJ1
    Affected: 15.2(1)SY
    Affected: 15.2(1)SY1
    Affected: 15.2(1)SY0a
    Affected: 15.2(1)SY2
    Affected: 15.2(2)SY
    Affected: 15.2(1)SY1a
    Affected: 15.2(2)SY1
    Affected: 15.2(2)SY2
    Affected: 15.2(1)SY3
    Affected: 15.2(1)SY4
    Affected: 15.2(2)SY3
    Affected: 15.2(1)SY5
    Affected: 15.2(1)SY6
    Affected: 15.2(1)SY7
    Affected: 15.2(1)SY8
    Affected: 15.2(5)EX
    Affected: 15.0(2)EK
    Affected: 15.0(2)EK1
    Affected: 15.4(1)CG
    Affected: 15.4(1)CG1
    Affected: 15.4(2)CG
    Affected: 15.5(1)S
    Affected: 15.5(2)S
    Affected: 15.5(1)S1
    Affected: 15.5(3)S
    Affected: 15.5(1)S2
    Affected: 15.5(1)S3
    Affected: 15.5(2)S1
    Affected: 15.5(2)S2
    Affected: 15.5(3)S1
    Affected: 15.5(3)S1a
    Affected: 15.5(2)S3
    Affected: 15.5(3)S2
    Affected: 15.5(3)S0a
    Affected: 15.5(3)S3
    Affected: 15.5(1)S4
    Affected: 15.5(2)S4
    Affected: 15.5(3)S4
    Affected: 15.5(3)S5
    Affected: 15.5(3)S6
    Affected: 15.5(3)S6a
    Affected: 15.5(3)S7
    Affected: 15.5(3)S6b
    Affected: 15.5(3)S8
    Affected: 15.5(3)S9
    Affected: 15.5(3)S10
    Affected: 15.5(3)S9a
    Affected: 15.5(1)T
    Affected: 15.5(1)T1
    Affected: 15.5(2)T
    Affected: 15.5(1)T2
    Affected: 15.5(1)T3
    Affected: 15.5(2)T1
    Affected: 15.5(2)T2
    Affected: 15.5(2)T3
    Affected: 15.5(2)T4
    Affected: 15.5(1)T4
    Affected: 15.2(2)EA
    Affected: 15.2(2)EA1
    Affected: 15.2(2)EA2
    Affected: 15.2(3)EA
    Affected: 15.2(4)EA
    Affected: 15.2(4)EA1
    Affected: 15.2(2)EA3
    Affected: 15.2(4)EA3
    Affected: 15.2(5)EA
    Affected: 15.2(4)EA4
    Affected: 15.2(4)EA5
    Affected: 15.2(4)EA6
    Affected: 15.2(4)EA7
    Affected: 15.2(4)EA8
    Affected: 15.2(4)EA9
    Affected: 15.2(4)EA9a
    Affected: 15.3(3)JN8
    Affected: 15.5(3)M
    Affected: 15.5(3)M1
    Affected: 15.5(3)M0a
    Affected: 15.5(3)M2
    Affected: 15.5(3)M3
    Affected: 15.5(3)M4
    Affected: 15.5(3)M4a
    Affected: 15.5(3)M5
    Affected: 15.5(3)M6
    Affected: 15.5(3)M7
    Affected: 15.5(3)M6a
    Affected: 15.5(3)M8
    Affected: 15.5(3)M9
    Affected: 15.5(3)M10
    Affected: 15.3(3)JA
    Affected: 15.3(3)JA1m
    Affected: 15.3(3)JA1
    Affected: 15.3(3)JA4
    Affected: 15.3(3)JA5
    Affected: 15.3(3)JA6
    Affected: 15.3(3)JA7
    Affected: 15.3(3)JA8
    Affected: 15.3(3)JA10
    Affected: 15.3(3)JAA
    Affected: 15.3(3)JAB
    Affected: 15.3(3)JB
    Affected: 15.5(3)SN
    Affected: 15.6(1)S
    Affected: 15.6(2)S
    Affected: 15.6(2)S1
    Affected: 15.6(1)S1
    Affected: 15.6(1)S2
    Affected: 15.6(2)S2
    Affected: 15.6(1)S3
    Affected: 15.6(2)S3
    Affected: 15.6(1)S4
    Affected: 15.6(2)S4
    Affected: 15.6(1)T
    Affected: 15.6(2)T
    Affected: 15.6(1)T0a
    Affected: 15.6(1)T1
    Affected: 15.6(2)T1
    Affected: 15.6(1)T2
    Affected: 15.6(2)T2
    Affected: 15.6(1)T3
    Affected: 15.6(2)T3
    Affected: 15.3(3)JNB3
    Affected: 15.3(3)JAX
    Affected: 15.3(3)JAX1
    Affected: 15.3(3)JAX2
    Affected: 15.3(3)JBB
    Affected: 15.3(3)JBB1
    Affected: 15.3(3)JBB2
    Affected: 15.3(3)JBB4
    Affected: 15.3(3)JBB5
    Affected: 15.3(3)JBB6
    Affected: 15.3(3)JC
    Affected: 15.3(3)JC1
    Affected: 15.3(3)JC2
    Affected: 15.3(3)JC3
    Affected: 15.3(3)JC4
    Affected: 15.3(3)JC5
    Affected: 15.3(1)SY
    Affected: 15.3(1)SY1
    Affected: 15.3(1)SY2
    Affected: 15.6(2)SP
    Affected: 15.6(2)SP1
    Affected: 15.6(2)SP2
    Affected: 15.6(2)SP3
    Affected: 15.6(2)SP4
    Affected: 15.6(2)SP5
    Affected: 15.6(2)SP6
    Affected: 15.6(2)SP7
    Affected: 15.6(2)SP8
    Affected: 15.6(2)SP9
    Affected: 15.6(2)SN
    Affected: 15.3(3)JD
    Affected: 15.3(3)JD2
    Affected: 15.6(3)M
    Affected: 15.6(3)M1
    Affected: 15.6(3)M0a
    Affected: 15.6(3)M1b
    Affected: 15.6(3)M2
    Affected: 15.6(3)M2a
    Affected: 15.6(3)M3
    Affected: 15.6(3)M3a
    Affected: 15.6(3)M4
    Affected: 15.6(3)M5
    Affected: 15.6(3)M6
    Affected: 15.6(3)M7
    Affected: 15.6(3)M6a
    Affected: 15.6(3)M6b
    Affected: 15.6(3)M8
    Affected: 15.6(3)M9
    Affected: 15.2(4)EC1
    Affected: 15.2(4)EC2
    Affected: 15.4(1)SY
    Affected: 15.4(1)SY1
    Affected: 15.4(1)SY2
    Affected: 15.4(1)SY3
    Affected: 15.4(1)SY4
    Affected: 15.5(1)SY
    Affected: 15.5(1)SY1
    Affected: 15.5(1)SY2
    Affected: 15.5(1)SY3
    Affected: 15.5(1)SY4
    Affected: 15.5(1)SY5
    Affected: 15.5(1)SY6
    Affected: 15.5(1)SY7
    Affected: 15.5(1)SY8
    Affected: 15.5(1)SY9
    Affected: 15.5(1)SY10
    Affected: 15.5(1)SY11
    Affected: 15.5(1)SY12
    Affected: 15.5(1)SY13
    Affected: 15.5(1)SY14
    Affected: 15.5(1)SY15
    Affected: 15.5(1)SY16
    Affected: 15.7(3)M
    Affected: 15.7(3)M1
    Affected: 15.7(3)M0a
    Affected: 15.7(3)M3
    Affected: 15.7(3)M2
    Affected: 15.7(3)M4
    Affected: 15.7(3)M5
    Affected: 15.7(3)M4a
    Affected: 15.7(3)M4b
    Affected: 15.7(3)M6
    Affected: 15.7(3)M7
    Affected: 15.7(3)M8
    Affected: 15.7(3)M9
    Affected: 15.8(3)M
    Affected: 15.8(3)M1
    Affected: 15.8(3)M0a
    Affected: 15.8(3)M0b
    Affected: 15.8(3)M2
    Affected: 15.8(3)M1a
    Affected: 15.8(3)M3
    Affected: 15.8(3)M2a
    Affected: 15.8(3)M4
    Affected: 15.8(3)M3a
    Affected: 15.8(3)M3b
    Affected: 15.8(3)M5
    Affected: 15.8(3)M6
    Affected: 15.8(3)M7
    Affected: 15.8(3)M8
    Affected: 15.8(3)M9
    Affected: 15.9(3)M
    Affected: 15.9(3)M1
    Affected: 15.9(3)M0a
    Affected: 15.9(3)M2
    Affected: 15.9(3)M3
    Affected: 15.9(3)M2a
    Affected: 15.9(3)M3a
    Affected: 15.9(3)M4
    Affected: 15.9(3)M3b
    Affected: 15.9(3)M5
    Affected: 15.9(3)M4a
    Affected: 15.9(3)M6
    Affected: 15.9(3)M7
    Affected: 15.9(3)M6a
    Affected: 15.9(3)M6b
    Affected: 15.9(3)M8
    Affected: 15.9(3)M7a
    Affected: 15.9(3)M9
    Affected: 15.9(3)M8b
    Affected: 15.9(3)M10
    Affected: 15.9(3)M11
    Affected: 15.9(3)M12
    Create a notification for this product.
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.8.1
    Affected: 9.8.1.5
    Affected: 9.8.1.7
    Affected: 9.8.2
    Affected: 9.8.2.8
    Affected: 9.8.2.14
    Affected: 9.8.2.15
    Affected: 9.8.2.17
    Affected: 9.8.2.20
    Affected: 9.8.2.24
    Affected: 9.8.2.26
    Affected: 9.8.2.28
    Affected: 9.8.2.33
    Affected: 9.8.2.35
    Affected: 9.8.2.38
    Affected: 9.8.3.8
    Affected: 9.8.3.11
    Affected: 9.8.3.14
    Affected: 9.8.3.16
    Affected: 9.8.3.18
    Affected: 9.8.3.21
    Affected: 9.8.3
    Affected: 9.8.3.26
    Affected: 9.8.3.29
    Affected: 9.8.4
    Affected: 9.8.4.3
    Affected: 9.8.4.7
    Affected: 9.8.4.8
    Affected: 9.8.4.10
    Affected: 9.8.4.12
    Affected: 9.8.4.15
    Affected: 9.8.4.17
    Affected: 9.8.2.45
    Affected: 9.8.4.25
    Affected: 9.8.4.20
    Affected: 9.8.4.22
    Affected: 9.8.4.26
    Affected: 9.8.4.29
    Affected: 9.8.4.32
    Affected: 9.8.4.33
    Affected: 9.8.4.34
    Affected: 9.8.4.35
    Affected: 9.8.4.39
    Affected: 9.8.4.40
    Affected: 9.8.4.41
    Affected: 9.8.4.43
    Affected: 9.8.4.44
    Affected: 9.8.4.45
    Affected: 9.8.4.46
    Affected: 9.8.4.48
    Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.14.1
    Affected: 9.14.1.10
    Affected: 9.14.1.6
    Affected: 9.14.1.15
    Affected: 9.14.1.19
    Affected: 9.14.1.30
    Affected: 9.14.2
    Affected: 9.14.2.4
    Affected: 9.14.2.8
    Affected: 9.14.2.13
    Affected: 9.14.2.15
    Affected: 9.14.3
    Affected: 9.14.3.1
    Affected: 9.14.3.9
    Affected: 9.14.3.11
    Affected: 9.14.3.13
    Affected: 9.14.3.18
    Affected: 9.14.3.15
    Affected: 9.14.4
    Affected: 9.14.4.6
    Affected: 9.14.4.7
    Affected: 9.14.4.12
    Affected: 9.14.4.13
    Affected: 9.14.4.14
    Affected: 9.14.4.15
    Affected: 9.14.4.17
    Affected: 9.14.4.22
    Affected: 9.14.4.23
    Affected: 9.14.4.24
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.18.4.66
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.3.20
    Affected: 9.20.4
    Affected: 9.20.4.7
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.22.2.4
    Affected: 9.22.2.9
    Affected: 9.23.1
    Affected: 9.23.1.3
    Affected: 9.23.1.7
    Affected: 9.23.1.13
    Create a notification for this product.
    Cisco Cisco IOS XE Software Affected: 3.5.0E
    Affected: 3.5.1E
    Affected: 3.5.2E
    Affected: 3.5.3E
    Affected: 3.11.1S
    Affected: 3.11.2S
    Affected: 3.11.0S
    Affected: 3.11.3S
    Affected: 3.11.4S
    Affected: 3.12.0S
    Affected: 3.12.1S
    Affected: 3.12.2S
    Affected: 3.12.3S
    Affected: 3.12.0aS
    Affected: 3.12.4S
    Affected: 3.13.0S
    Affected: 3.13.1S
    Affected: 3.13.2S
    Affected: 3.13.3S
    Affected: 3.13.4S
    Affected: 3.13.5S
    Affected: 3.13.2aS
    Affected: 3.13.0aS
    Affected: 3.13.5aS
    Affected: 3.13.6S
    Affected: 3.13.7S
    Affected: 3.13.6aS
    Affected: 3.13.7aS
    Affected: 3.13.8S
    Affected: 3.13.9S
    Affected: 3.13.10S
    Affected: 3.6.0E
    Affected: 3.6.1E
    Affected: 3.6.2aE
    Affected: 3.6.2E
    Affected: 3.6.3E
    Affected: 3.6.4E
    Affected: 3.6.5E
    Affected: 3.6.6E
    Affected: 3.6.5aE
    Affected: 3.6.7E
    Affected: 3.6.8E
    Affected: 3.6.7bE
    Affected: 3.6.9E
    Affected: 3.6.10E
    Affected: 3.14.0S
    Affected: 3.14.1S
    Affected: 3.14.2S
    Affected: 3.14.3S
    Affected: 3.14.4S
    Affected: 3.15.0S
    Affected: 3.15.1S
    Affected: 3.15.2S
    Affected: 3.15.1cS
    Affected: 3.15.3S
    Affected: 3.15.4S
    Affected: 3.7.0E
    Affected: 3.7.1E
    Affected: 3.7.2E
    Affected: 3.7.3E
    Affected: 3.7.4E
    Affected: 3.7.5E
    Affected: 3.16.0S
    Affected: 3.16.1S
    Affected: 3.16.1aS
    Affected: 3.16.2S
    Affected: 3.16.2aS
    Affected: 3.16.0cS
    Affected: 3.16.3S
    Affected: 3.16.2bS
    Affected: 3.16.3aS
    Affected: 3.16.4S
    Affected: 3.16.4aS
    Affected: 3.16.4bS
    Affected: 3.16.5S
    Affected: 3.16.4dS
    Affected: 3.16.6S
    Affected: 3.16.7S
    Affected: 3.16.6bS
    Affected: 3.16.7aS
    Affected: 3.16.7bS
    Affected: 3.16.8S
    Affected: 3.16.9S
    Affected: 3.16.10S
    Affected: 3.17.0S
    Affected: 3.17.1S
    Affected: 3.17.2S
    Affected: 3.17.1aS
    Affected: 3.17.3S
    Affected: 3.17.4S
    Affected: 3.8.0E
    Affected: 3.8.1E
    Affected: 3.8.2E
    Affected: 3.8.3E
    Affected: 3.8.4E
    Affected: 3.8.5E
    Affected: 3.8.5aE
    Affected: 3.8.6E
    Affected: 3.8.7E
    Affected: 3.8.8E
    Affected: 3.8.9E
    Affected: 3.8.10E
    Affected: 3.18.0aS
    Affected: 3.18.0S
    Affected: 3.18.1S
    Affected: 3.18.2S
    Affected: 3.18.3S
    Affected: 3.18.4S
    Affected: 3.18.0SP
    Affected: 3.18.1SP
    Affected: 3.18.1aSP
    Affected: 3.18.1bSP
    Affected: 3.18.1cSP
    Affected: 3.18.2SP
    Affected: 3.18.2aSP
    Affected: 3.18.3SP
    Affected: 3.18.4SP
    Affected: 3.18.3aSP
    Affected: 3.18.3bSP
    Affected: 3.18.5SP
    Affected: 3.18.6SP
    Affected: 3.18.7SP
    Affected: 3.18.8aSP
    Affected: 3.18.9SP
    Affected: 3.9.0E
    Affected: 3.9.1E
    Affected: 3.9.2E
    Affected: 16.6.1
    Affected: 16.6.2
    Affected: 16.6.3
    Affected: 16.6.4
    Affected: 16.6.5
    Affected: 16.6.4a
    Affected: 16.6.5a
    Affected: 16.6.6
    Affected: 16.6.7
    Affected: 16.6.8
    Affected: 16.6.9
    Affected: 16.6.10
    Affected: 16.7.1
    Affected: 16.7.1a
    Affected: 16.7.1b
    Affected: 16.7.2
    Affected: 16.7.3
    Affected: 16.7.4
    Affected: 16.8.1
    Affected: 16.8.1a
    Affected: 16.8.1b
    Affected: 16.8.1s
    Affected: 16.8.1c
    Affected: 16.8.1d
    Affected: 16.8.2
    Affected: 16.8.1e
    Affected: 16.8.3
    Affected: 16.9.1
    Affected: 16.9.2
    Affected: 16.9.1a
    Affected: 16.9.1b
    Affected: 16.9.1s
    Affected: 16.9.3
    Affected: 16.9.4
    Affected: 16.9.3a
    Affected: 16.9.5
    Affected: 16.9.5f
    Affected: 16.9.6
    Affected: 16.9.7
    Affected: 16.9.8
    Affected: 16.10.1
    Affected: 16.10.1a
    Affected: 16.10.1b
    Affected: 16.10.1s
    Affected: 16.10.1c
    Affected: 16.10.1e
    Affected: 16.10.1d
    Affected: 16.10.2
    Affected: 16.10.1f
    Affected: 16.10.1g
    Affected: 16.10.3
    Affected: 3.10.0E
    Affected: 3.10.1E
    Affected: 3.10.0cE
    Affected: 3.10.2E
    Affected: 3.10.3E
    Affected: 16.11.1
    Affected: 16.11.1a
    Affected: 16.11.1b
    Affected: 16.11.2
    Affected: 16.11.1s
    Affected: 16.12.1
    Affected: 16.12.1s
    Affected: 16.12.1a
    Affected: 16.12.1c
    Affected: 16.12.1w
    Affected: 16.12.2
    Affected: 16.12.1y
    Affected: 16.12.2a
    Affected: 16.12.3
    Affected: 16.12.8
    Affected: 16.12.2s
    Affected: 16.12.1x
    Affected: 16.12.1t
    Affected: 16.12.4
    Affected: 16.12.3s
    Affected: 16.12.3a
    Affected: 16.12.4a
    Affected: 16.12.5
    Affected: 16.12.6
    Affected: 16.12.1z1
    Affected: 16.12.5a
    Affected: 16.12.5b
    Affected: 16.12.1z2
    Affected: 16.12.6a
    Affected: 16.12.7
    Affected: 16.12.9
    Affected: 16.12.10
    Affected: 16.12.10a
    Affected: 16.12.11
    Affected: 16.12.12
    Affected: 16.12.13
    Affected: 16.12.14
    Affected: 3.11.0E
    Affected: 3.11.1E
    Affected: 3.11.2E
    Affected: 3.11.3E
    Affected: 3.11.1aE
    Affected: 3.11.4E
    Affected: 3.11.3aE
    Affected: 3.11.5E
    Affected: 3.11.6E
    Affected: 3.11.7E
    Affected: 3.11.8E
    Affected: 3.11.9E
    Affected: 3.11.10E
    Affected: 3.11.11E
    Affected: 3.11.12E
    Affected: 3.11.13E
    Affected: 17.1.1
    Affected: 17.1.1a
    Affected: 17.1.1s
    Affected: 17.1.1t
    Affected: 17.1.3
    Affected: 17.2.1
    Affected: 17.2.1r
    Affected: 17.2.1a
    Affected: 17.2.1v
    Affected: 17.2.2
    Affected: 17.2.3
    Affected: 17.3.1
    Affected: 17.3.2
    Affected: 17.3.3
    Affected: 17.3.1a
    Affected: 17.3.1w
    Affected: 17.3.2a
    Affected: 17.3.1x
    Affected: 17.3.1z
    Affected: 17.3.4
    Affected: 17.3.5
    Affected: 17.3.4a
    Affected: 17.3.6
    Affected: 17.3.4b
    Affected: 17.3.4c
    Affected: 17.3.5a
    Affected: 17.3.5b
    Affected: 17.3.7
    Affected: 17.3.8
    Affected: 17.3.8a
    Affected: 17.4.1
    Affected: 17.4.2
    Affected: 17.4.1a
    Affected: 17.4.1b
    Affected: 17.4.2a
    Affected: 17.5.1
    Affected: 17.5.1a
    Affected: 17.6.1
    Affected: 17.6.2
    Affected: 17.6.1w
    Affected: 17.6.1a
    Affected: 17.6.1x
    Affected: 17.6.3
    Affected: 17.6.1y
    Affected: 17.6.1z
    Affected: 17.6.3a
    Affected: 17.6.4
    Affected: 17.6.1z1
    Affected: 17.6.5
    Affected: 17.6.6
    Affected: 17.6.6a
    Affected: 17.6.5a
    Affected: 17.6.7
    Affected: 17.6.8
    Affected: 17.6.8a
    Affected: 17.7.1
    Affected: 17.7.1a
    Affected: 17.7.1b
    Affected: 17.7.2
    Affected: 17.10.1
    Affected: 17.10.1a
    Affected: 17.10.1b
    Affected: 17.8.1
    Affected: 17.8.1a
    Affected: 17.9.1
    Affected: 17.9.1w
    Affected: 17.9.2
    Affected: 17.9.1a
    Affected: 17.9.1x
    Affected: 17.9.1y
    Affected: 17.9.3
    Affected: 17.9.2a
    Affected: 17.9.1x1
    Affected: 17.9.3a
    Affected: 17.9.4
    Affected: 17.9.1y1
    Affected: 17.9.5
    Affected: 17.9.4a
    Affected: 17.9.5a
    Affected: 17.9.5b
    Affected: 17.9.6
    Affected: 17.9.6a
    Affected: 17.9.7
    Affected: 17.9.5e
    Affected: 17.9.5f
    Affected: 17.9.8
    Affected: 17.9.7a
    Affected: 17.9.7b
    Affected: 17.11.1
    Affected: 17.11.1a
    Affected: 17.12.1
    Affected: 17.12.1w
    Affected: 17.12.1a
    Affected: 17.12.1x
    Affected: 17.12.2
    Affected: 17.12.3
    Affected: 17.12.2a
    Affected: 17.12.1y
    Affected: 17.12.1z
    Affected: 17.12.4
    Affected: 17.12.3a
    Affected: 17.12.1z1
    Affected: 17.12.1z2
    Affected: 17.12.4a
    Affected: 17.12.5
    Affected: 17.12.4b
    Affected: 17.12.1z3
    Affected: 17.12.5a
    Affected: 17.12.1z4
    Affected: 17.12.6
    Affected: 17.12.5b
    Affected: 17.12.5c
    Affected: 17.12.6a
    Affected: 17.12.5d
    Affected: 17.12.6b
    Affected: 17.13.1
    Affected: 17.13.1a
    Affected: 17.14.1
    Affected: 17.14.1a
    Affected: 17.15.1
    Affected: 17.15.1w
    Affected: 17.15.1a
    Affected: 17.15.2
    Affected: 17.15.1b
    Affected: 17.15.1x
    Affected: 17.15.1z
    Affected: 17.15.3
    Affected: 17.15.2c
    Affected: 17.15.2a
    Affected: 17.15.1y
    Affected: 17.15.2b
    Affected: 17.15.3a
    Affected: 17.15.4
    Affected: 17.15.3b
    Affected: 17.15.4d
    Affected: 17.15.4e
    Affected: 17.16.1
    Affected: 17.16.1a
    Affected: 17.17.1
    Affected: 17.18.1
    Affected: 17.18.1w
    Affected: 17.18.1a
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.2.3
    Affected: 6.2.3.1
    Affected: 6.2.3.2
    Affected: 6.2.3.3
    Affected: 6.2.3.4
    Affected: 6.2.3.5
    Affected: 6.2.3.6
    Affected: 6.2.3.7
    Affected: 6.2.3.8
    Affected: 6.2.3.10
    Affected: 6.2.3.11
    Affected: 6.2.3.9
    Affected: 6.2.3.12
    Affected: 6.2.3.13
    Affected: 6.2.3.14
    Affected: 6.2.3.15
    Affected: 6.2.3.16
    Affected: 6.2.3.17
    Affected: 6.2.3.18
    Affected: 6.6.0
    Affected: 6.6.0.1
    Affected: 6.6.1
    Affected: 6.6.3
    Affected: 6.6.4
    Affected: 6.6.5
    Affected: 6.6.5.1
    Affected: 6.6.5.2
    Affected: 6.6.7
    Affected: 6.6.7.1
    Affected: 6.6.7.2
    Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20012",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-26T17:37:40.651262Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-26T17:37:50.517Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "IOS",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "15.2(1)S"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)S"
                },
                {
                  "status": "affected",
                  "version": "15.2(1)S1"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S"
                },
                {
                  "status": "affected",
                  "version": "15.2(1)S2"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)S1"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)S2"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)S0a"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)S0c"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S1"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S4"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S6"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S2"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S5"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S3"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S3a"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S4a"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)S7"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)T"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)T"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)T1"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)T2"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)T3"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)T4"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)T1"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)T2"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)T3"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)T4"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)EY"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)EY1"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)EY2"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)EY3"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)S"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)S"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)S1"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)S2"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)S1"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)S2"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S1"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S0a"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S2"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S4"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S3"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S5"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S6"
                },
                {
                  "status": "affected",
                  "version": "15.1(3)S5a"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M3"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M1"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M2"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M6"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M5"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M4"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M7"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M3a"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M10"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M8"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)M9"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE1"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE2"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE3"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE4"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE5"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE6"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE7"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE8"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE9"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE10"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE11"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE10a"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE12"
                },
                {
                  "status": "affected",
                  "version": "15.0(2)SE13"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)GC"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)GC1"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)GC2"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)GC"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)GC1"
                },
                {
                  "status": "affected",
                  "version": "15.1(4)GC2"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SG"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SG1"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SG2"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG1"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG2"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG3"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG4"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG5"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG6"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG7"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SG8"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M1"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M2"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M4"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M3"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M5"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M8"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M10"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M7"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M6"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M9"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M6a"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)M11"
                },
                {
                  "status": "affected",
                  "version": "15.2(1)GC"
                },
                {
                  "status": "affected",
                  "version": "15.2(1)GC1"
                },
                {
                  "status": "affected",
                  "version": "15.2(1)GC2"
                },
                {
                  "status": "affected",
                  "version": "15.2(2)GC"
                },
                {
                  "status": "affected",
                  "version": "15.2(3)GC"
                },
                {
                  "status": "affected",
                  "version": "15.2(3)GC1"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)GC"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)GC1"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)GC2"
                },
                {
                  "status": "affected",
                  "version": "15.2(4)GC3"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY1"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY1"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY2"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY2"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY3"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY3"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY4"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY4"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY5"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY5"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY4a"
                },
                {
                  "status": "affected",
                  "version": "15.1(1)SY6"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY6"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY7"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY8"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY9"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY10"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY11"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY12"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY13"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY14"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY15"
                },
                {
                  "status": "affected",
                  "version": "15.1(2)SY16"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)S"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)S"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)S2"
                },
                {
                  "status": "affected",
                  "version": "15.3(1)S1"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)S2"
                },
                {
                  "status": "affected",
                  "version": "15.3(2)S1"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S1"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S2"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S3"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S6"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S4"
                },
                {
                  "status": "affected",
                  "version": "15.3(3)S1a"
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                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                },
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                },
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                  "status": "affected",
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "16.12.10"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "16.12.13"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
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                  "status": "affected",
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                },
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                },
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "17.14.1"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "17.15.2c"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "17.18.1a"
                }
              ]
            },
            {
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
              "versions": [
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                  "status": "affected",
                  "version": "6.2.3"
                },
                {
                  "status": "affected",
                  "version": "6.2.3.1"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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    CVE-2026-20064 (GCVE-0-2026-20064)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:36 – Updated: 2026-03-04 19:05
    VLAI
    Summary
    A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 19:05 UTC
    CWE
    • CWE-476 - NULL Pointer Dereference
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

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              "value": "A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
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              "descriptions": [
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                  "cweId": "CWE-476",
                  "description": "NULL Pointer Dereference",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
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          "providerMetadata": {
            "dateUpdated": "2026-03-04T18:36:25.603Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
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          "references": [
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              "name": "cisco-sa-ftd-cmd-inj-mTzGZexf",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf"
            }
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          "source": {
            "advisory": "cisco-sa-ftd-cmd-inj-mTzGZexf",
            "defects": [
              "CSCwq01526"
            ],
            "discovery": "INTERNAL"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20064",
        "datePublished": "2026-03-04T18:36:25.603Z",
        "dateReserved": "2025-10-08T11:59:15.357Z",
        "dateUpdated": "2026-03-04T19:05:59.053Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20025 (GCVE-0-2026-20025)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:36 – Updated: 2026-03-04 21:35
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key. This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:34 UTC
    CWE
    • CWE-190 - Integer Overflow or Wraparound
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.18.4.66
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.3.20
    Affected: 9.20.4
    Affected: 9.20.4.7
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.22.2.4
    Affected: 9.22.2.9
    Affected: 9.23.1
    Affected: 9.23.1.3
    Affected: 9.23.1.7
    Affected: 9.23.1.13
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

    {
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          {
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                  "content": {
                    "id": "CVE-2026-20025",
                    "options": [
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                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
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                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-04T21:34:51.512247Z",
                    "version": "2.0.3"
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            "title": "CISA ADP Vulnrichment"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "version": "9.16.4.19"
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                  "status": "affected",
                  "version": "9.16.4.27"
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                  "version": "9.16.4.38"
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                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.19.1"
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                {
                  "status": "affected",
                  "version": "9.19.1.5"
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                {
                  "status": "affected",
                  "version": "9.19.1.9"
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                {
                  "status": "affected",
                  "version": "9.19.1.12"
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                {
                  "status": "affected",
                  "version": "9.19.1.18"
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                {
                  "status": "affected",
                  "version": "9.19.1.22"
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                {
                  "status": "affected",
                  "version": "9.19.1.24"
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                {
                  "status": "affected",
                  "version": "9.19.1.27"
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                {
                  "status": "affected",
                  "version": "9.19.1.28"
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                {
                  "status": "affected",
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                  "status": "affected",
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              "vendor": "Cisco",
              "versions": [
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                  "status": "affected",
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              "lang": "en",
              "value": "A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key.\r\n\r This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition."
            }
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          "exploits": [
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              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
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                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.8,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
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          "problemTypes": [
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                  "description": "Integer Overflow or Wraparound",
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          "references": [
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              "name": "cisco-sa-asaftd-ospf-ZH8PhbSW",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"
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          "source": {
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            "defects": [
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            "discovery": "INTERNAL"
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      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20025",
        "datePublished": "2026-03-04T18:36:02.331Z",
        "dateReserved": "2025-10-08T11:59:15.352Z",
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    CVE-2026-20024 (GCVE-0-2026-20024)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:35 – Updated: 2026-03-04 21:35
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key. This vulnerability is due to heap corruption in OSPF when parsing packets. An attacker could exploit this vulnerability by sending crafted packets to the OSPF service. A successful exploit could allow the attacker to corrupt the heap, causing the affected device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:35 UTC
    CWE
    • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.23.1
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.6.0
    Affected: 7.7.0
    Create a notification for this product.
    Show details on NVD website

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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.12.4.4"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.12.4.8"
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                {
                  "status": "affected",
                  "version": "9.12.4.18"
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                {
                  "status": "affected",
                  "version": "9.12.4.24"
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                {
                  "status": "affected",
                  "version": "9.12.4.26"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.17.1.11"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.22.1.1"
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                {
                  "status": "affected",
                  "version": "9.22.1.3"
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                {
                  "status": "affected",
                  "version": "9.22.1.2"
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                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                }
              ]
            },
            {
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
              "versions": [
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                  "status": "affected",
                  "version": "6.4.0"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                {
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                {
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.1.0.2"
                },
                {
                  "status": "affected",
                  "version": "7.1.0.3"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.2.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.5"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.1"
                },
                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.2.7"
                },
                {
                  "status": "affected",
                  "version": "7.2.5.2"
                },
                {
                  "status": "affected",
                  "version": "7.2.8"
                },
                {
                  "status": "affected",
                  "version": "7.2.8.1"
                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key.\r\n\r This vulnerability is due to heap corruption in OSPF when parsing packets. An attacker could exploit this vulnerability by sending crafted packets to the OSPF service. A successful exploit could allow the attacker to corrupt the heap, causing the affected device to reload, resulting in a DoS condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.8,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Improper Restriction of Operations within the Bounds of a Memory Buffer",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-04T18:35:48.275Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-asaftd-ospf-ZH8PhbSW",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asaftd-ospf-ZH8PhbSW",
            "defects": [
              "CSCwn69075"
            ],
            "discovery": "INTERNAL"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20024",
        "datePublished": "2026-03-04T18:35:48.275Z",
        "dateReserved": "2025-10-08T11:59:15.352Z",
        "dateUpdated": "2026-03-04T21:35:32.855Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20023 (GCVE-0-2026-20023)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:35 – Updated: 2026-03-04 21:34
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to corrupt memory on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to memory corruption when parsing OSPF protocol packets. An attacker could exploit this vulnerability by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to cause memory corruption causing the affected device to reboot, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:34 UTC
    CWE
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.16.4.85
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.18.4.66
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.4
    Affected: 9.20.4.7
    Affected: 9.20.4.10
    Affected: 9.20.4.14
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2.9
    Affected: 9.22.2.13
    Affected: 9.22.2.14
    Affected: 9.23.1
    Affected: 9.23.1.7
    Affected: 9.23.1.13
    Affected: 9.23.1.19
    Affected: 9.23.1.22
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20023",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-04T21:34:30.974715Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-04T21:34:39.881Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "9.12.1"
                },
                {
                  "status": "affected",
                  "version": "9.12.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.12.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.12.3"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.12.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.12"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.1"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.13"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.26"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.35"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.37"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.41"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.54"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.56"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.58"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.65"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.16.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.27"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.42"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.17.1"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.10"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.15"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.20"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.30"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.33"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.39"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.45"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.46"
                },
                {
                  "status": "affected",
                  "version": "9.18.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.39"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.46"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.55"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.56"
                },
                {
                  "status": "affected",
                  "version": "9.18.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.19.1"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.12"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.18"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.24"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.27"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.31"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.37"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.38"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.20.1"
                },
                {
                  "status": "affected",
                  "version": "9.20.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.21"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.19"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.22"
                }
              ]
            },
            {
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
              "versions": [
                {
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                  "version": "7.2.5.2"
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.2.8.1"
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "7.3.1.1"
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                {
                  "status": "affected",
                  "version": "7.3.1.2"
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                  "status": "affected",
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          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to corrupt memory on an affected device, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to memory corruption when parsing OSPF protocol packets. An attacker could exploit this vulnerability by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to cause memory corruption causing the affected device to reboot, resulting in a DoS condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.1,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
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          ],
          "problemTypes": [
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                  "description": "Out-of-bounds Write",
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          "providerMetadata": {
            "dateUpdated": "2026-03-04T18:35:35.358Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
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              "name": "cisco-sa-asaftd-ospf-ZH8PhbSW",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"
            }
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          "source": {
            "advisory": "cisco-sa-asaftd-ospf-ZH8PhbSW",
            "defects": [
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            "discovery": "INTERNAL"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20023",
        "datePublished": "2026-03-04T18:35:35.358Z",
        "dateReserved": "2025-10-08T11:59:15.352Z",
        "dateUpdated": "2026-03-04T21:34:39.881Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20022 (GCVE-0-2026-20022)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:35 – Updated: 2026-03-04 21:34
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition when OSPF canonicalization debug is enabled by using the command debug ip ospf canon. This vulnerability is due to insufficient input validation when processing OSPF LSU packets. An attacker could exploit this vulnerability by sending crafted unauthenticated OSPF packets. A successful exploit could allow the attacker to write to memory outside of the packet data, causing the device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:33 UTC
    CWE
    • CWE-823 - Use of Out-of-range Pointer Offset
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.16.4.85
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.18.4.66
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.3.20
    Affected: 9.20.4
    Affected: 9.20.4.7
    Affected: 9.20.4.10
    Affected: 9.20.4.14
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.22.2.4
    Affected: 9.22.2.9
    Affected: 9.22.2.13
    Affected: 9.22.2.14
    Affected: 9.23.1
    Affected: 9.23.1.3
    Affected: 9.23.1.7
    Affected: 9.23.1.13
    Affected: 9.23.1.19
    Affected: 9.23.1.22
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

    {
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                "other": {
                  "content": {
                    "id": "CVE-2026-20022",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-04T21:33:50.088650Z",
                    "version": "2.0.3"
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              "shortName": "CISA-ADP"
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            "title": "CISA ADP Vulnrichment"
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        ],
        "cna": {
          "affected": [
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              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
                  "version": "9.12.4.24"
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                  "status": "affected",
                  "version": "9.12.4.26"
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                {
                  "status": "affected",
                  "version": "9.12.4.29"
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                  "status": "affected",
                  "version": "9.12.4.30"
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                  "status": "affected",
                  "version": "9.12.4.35"
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                {
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "9.22.2"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
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              ]
            },
            {
              "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
              "vendor": "Cisco",
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                  "status": "affected",
                  "version": "6.4.0"
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                {
                  "status": "affected",
                  "version": "6.4.0.1"
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                {
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                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.1.0.3"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
                  "version": "7.2.5"
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                {
                  "status": "affected",
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                },
                {
                  "status": "affected",
                  "version": "7.2.9"
                },
                {
                  "status": "affected",
                  "version": "7.2.10"
                },
                {
                  "status": "affected",
                  "version": "7.2.10.2"
                },
                {
                  "status": "affected",
                  "version": "7.3.0"
                },
                {
                  "status": "affected",
                  "version": "7.3.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.3.1.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.0"
                },
                {
                  "status": "affected",
                  "version": "7.4.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.1.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.2"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.3"
                },
                {
                  "status": "affected",
                  "version": "7.4.2.4"
                },
                {
                  "status": "affected",
                  "version": "7.4.3"
                },
                {
                  "status": "affected",
                  "version": "7.6.0"
                },
                {
                  "status": "affected",
                  "version": "7.6.1"
                },
                {
                  "status": "affected",
                  "version": "7.6.2"
                },
                {
                  "status": "affected",
                  "version": "7.6.2.1"
                },
                {
                  "status": "affected",
                  "version": "7.7.0"
                },
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                  "status": "affected",
                  "version": "7.7.10"
                },
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                  "status": "affected",
                  "version": "7.7.10.1"
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              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition when OSPF canonicalization debug is enabled by using the command debug ip ospf canon.\r\n\r This vulnerability is due to insufficient input validation when processing OSPF LSU packets. An attacker could exploit this vulnerability by sending crafted unauthenticated OSPF packets. A successful exploit could allow the attacker to write to memory outside of the packet data, causing the device to reload, resulting in a DoS condition."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.1,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "version": "3.1"
              },
              "format": "cvssV3_1"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-823",
                  "description": "Use of Out-of-range Pointer Offset",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-04T18:35:19.673Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-asaftd-ospf-ZH8PhbSW",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asaftd-ospf-ZH8PhbSW",
            "defects": [
              "CSCwn69081",
              "CSCwo71552"
            ],
            "discovery": "INTERNAL"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20022",
        "datePublished": "2026-03-04T18:35:19.673Z",
        "dateReserved": "2025-10-08T11:59:15.352Z",
        "dateUpdated": "2026-03-04T21:34:01.015Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-20021 (GCVE-0-2026-20021)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:35 – Updated: 2026-03-04 21:30
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, adjacent attacker to exhaust memory on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improperly validating input by the OSPF protocol when parsing packets. An attacker could exploit this vulnerability by by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to exhaust memory on the affected device, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:29 UTC
    CWE
    • CWE-401 - Missing Release of Memory after Effective Lifetime
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.16.4.85
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.18.4.66
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.3.20
    Affected: 9.20.4
    Affected: 9.20.4.7
    Affected: 9.20.4.10
    Affected: 9.20.4.14
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.22.2.4
    Affected: 9.22.2.9
    Affected: 9.22.2.13
    Affected: 9.22.2.14
    Affected: 9.23.1
    Affected: 9.23.1.3
    Affected: 9.23.1.7
    Affected: 9.23.1.13
    Affected: 9.23.1.19
    Affected: 9.23.1.22
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-20021",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-04T21:29:56.096429Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-04T21:30:11.471Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "9.12.1"
                },
                {
                  "status": "affected",
                  "version": "9.12.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.12.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.12.3"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.12.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.12"
                },
                {
                  "status": "affected",
                  "version": "9.12.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.12.2.1"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.2"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.4"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.13"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.18"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.26"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.30"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.35"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.37"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.41"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.54"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.56"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.58"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.65"
                },
                {
                  "status": "affected",
                  "version": "9.12.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.1"
                },
                {
                  "status": "affected",
                  "version": "9.16.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.16.2"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.11"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.16.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.3"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.15"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.3.23"
                },
                {
                  "status": "affected",
                  "version": "9.16.4"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.9"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.19"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.27"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.38"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.39"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.42"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.48"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.55"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.61"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.62"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.70"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.71"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.76"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.82"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.84"
                },
                {
                  "status": "affected",
                  "version": "9.16.4.85"
                },
                {
                  "status": "affected",
                  "version": "9.17.1"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.7"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.10"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.11"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.13"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.15"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.20"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.30"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.33"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.39"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.45"
                },
                {
                  "status": "affected",
                  "version": "9.17.1.46"
                },
                {
                  "status": "affected",
                  "version": "9.18.1"
                },
                {
                  "status": "affected",
                  "version": "9.18.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.2"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.7"
                },
                {
                  "status": "affected",
                  "version": "9.18.2.8"
                },
                {
                  "status": "affected",
                  "version": "9.18.3"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.39"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.46"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.55"
                },
                {
                  "status": "affected",
                  "version": "9.18.3.56"
                },
                {
                  "status": "affected",
                  "version": "9.18.4"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.5"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.8"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.22"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.24"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.29"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.34"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.40"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.47"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.50"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.52"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.53"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.57"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.66"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.67"
                },
                {
                  "status": "affected",
                  "version": "9.18.4.68"
                },
                {
                  "status": "affected",
                  "version": "9.19.1"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.9"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.12"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.18"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.22"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.24"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.27"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.28"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.31"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.37"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.38"
                },
                {
                  "status": "affected",
                  "version": "9.19.1.42"
                },
                {
                  "status": "affected",
                  "version": "9.20.1"
                },
                {
                  "status": "affected",
                  "version": "9.20.1.5"
                },
                {
                  "status": "affected",
                  "version": "9.20.2"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.21"
                },
                {
                  "status": "affected",
                  "version": "9.20.2.22"
                },
                {
                  "status": "affected",
                  "version": "9.20.3"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.9"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.13"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.16"
                },
                {
                  "status": "affected",
                  "version": "9.20.3.20"
                },
                {
                  "status": "affected",
                  "version": "9.20.4"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.7"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.10"
                },
                {
                  "status": "affected",
                  "version": "9.20.4.14"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.1"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.2"
                },
                {
                  "status": "affected",
                  "version": "9.22.1.6"
                },
                {
                  "status": "affected",
                  "version": "9.22.2"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.4"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.9"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.13"
                },
                {
                  "status": "affected",
                  "version": "9.22.2.14"
                },
                {
                  "status": "affected",
                  "version": "9.23.1"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.3"
                },
                {
                  "status": "affected",
                  "version": "9.23.1.7"
                },
                {
                  "status": "affected",
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              "value": "A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, adjacent attacker to exhaust memory on an affected device, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to improperly validating input by the OSPF protocol when parsing packets. An attacker could exploit this vulnerability by by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to exhaust memory on the affected device, resulting in a DoS condition."
            }
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          "exploits": [
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              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
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                "attackVector": "ADJACENT_NETWORK",
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                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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          "references": [
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              "name": "cisco-sa-asaftd-ospf-ZH8PhbSW",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"
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          "source": {
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            "defects": [
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      "cveMetadata": {
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        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20021",
        "datePublished": "2026-03-04T18:35:06.717Z",
        "dateReserved": "2025-10-08T11:59:15.352Z",
        "dateUpdated": "2026-03-04T21:30:11.471Z",
        "state": "PUBLISHED"
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      "dataType": "CVE_RECORD",
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    }

    CVE-2026-20020 (GCVE-0-2026-20020)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:34 – Updated: 2026-03-04 21:32
    VLAI
    Summary
    A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. If OSPF authentication is enabled, the attacker must know the secret key to exploit this vulnerability. This vulnerability is due to insufficient input validation when processing OSPF update packets. An attacker could exploit this vulnerability by sending crafted OSPF update packets. A successful exploit could allow the attacker to create a buffer overflow, causing the affected device to reload, resulting in a DoS condition.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 21:31 UTC
    CWE
    • CWE-20 - Improper Input Validation
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
    Affected: 9.12.1.2
    Affected: 9.12.1.3
    Affected: 9.12.2
    Affected: 9.12.2.4
    Affected: 9.12.2.5
    Affected: 9.12.2.9
    Affected: 9.12.3
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.4
    Affected: 9.12.3.12
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.8
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.12.4.26
    Affected: 9.12.4.29
    Affected: 9.12.4.30
    Affected: 9.12.4.35
    Affected: 9.12.4.37
    Affected: 9.12.4.38
    Affected: 9.12.4.39
    Affected: 9.12.4.40
    Affected: 9.12.4.41
    Affected: 9.12.4.47
    Affected: 9.12.4.48
    Affected: 9.12.4.50
    Affected: 9.12.4.52
    Affected: 9.12.4.54
    Affected: 9.12.4.55
    Affected: 9.12.4.56
    Affected: 9.12.4.58
    Affected: 9.12.4.62
    Affected: 9.12.4.65
    Affected: 9.12.4.67
    Affected: 9.16.1
    Affected: 9.16.1.28
    Affected: 9.16.2
    Affected: 9.16.2.3
    Affected: 9.16.2.7
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.16.2.14
    Affected: 9.16.3
    Affected: 9.16.3.3
    Affected: 9.16.3.14
    Affected: 9.16.3.15
    Affected: 9.16.3.19
    Affected: 9.16.3.23
    Affected: 9.16.4
    Affected: 9.16.4.9
    Affected: 9.16.4.14
    Affected: 9.16.4.19
    Affected: 9.16.4.27
    Affected: 9.16.4.38
    Affected: 9.16.4.39
    Affected: 9.16.4.42
    Affected: 9.16.4.48
    Affected: 9.16.4.55
    Affected: 9.16.4.57
    Affected: 9.16.4.61
    Affected: 9.16.4.62
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.16.4.71
    Affected: 9.16.4.76
    Affected: 9.16.4.82
    Affected: 9.16.4.84
    Affected: 9.16.4.85
    Affected: 9.17.1
    Affected: 9.17.1.7
    Affected: 9.17.1.9
    Affected: 9.17.1.10
    Affected: 9.17.1.11
    Affected: 9.17.1.13
    Affected: 9.17.1.15
    Affected: 9.17.1.20
    Affected: 9.17.1.30
    Affected: 9.17.1.33
    Affected: 9.17.1.39
    Affected: 9.17.1.45
    Affected: 9.17.1.46
    Affected: 9.18.1
    Affected: 9.18.1.3
    Affected: 9.18.2
    Affected: 9.18.2.5
    Affected: 9.18.2.7
    Affected: 9.18.2.8
    Affected: 9.18.3
    Affected: 9.18.3.39
    Affected: 9.18.3.46
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.18.3.56
    Affected: 9.18.4
    Affected: 9.18.4.5
    Affected: 9.18.4.8
    Affected: 9.18.4.22
    Affected: 9.18.4.24
    Affected: 9.18.4.29
    Affected: 9.18.4.34
    Affected: 9.18.4.40
    Affected: 9.18.4.47
    Affected: 9.18.4.50
    Affected: 9.18.4.52
    Affected: 9.18.4.53
    Affected: 9.18.4.57
    Affected: 9.19.1
    Affected: 9.19.1.5
    Affected: 9.19.1.9
    Affected: 9.19.1.12
    Affected: 9.19.1.18
    Affected: 9.19.1.22
    Affected: 9.19.1.24
    Affected: 9.19.1.27
    Affected: 9.19.1.28
    Affected: 9.19.1.31
    Affected: 9.19.1.37
    Affected: 9.19.1.38
    Affected: 9.19.1.42
    Affected: 9.20.1
    Affected: 9.20.1.5
    Affected: 9.20.2
    Affected: 9.20.2.10
    Affected: 9.20.2.21
    Affected: 9.20.2.22
    Affected: 9.20.3
    Affected: 9.20.3.4
    Affected: 9.20.3.7
    Affected: 9.20.3.9
    Affected: 9.20.3.10
    Affected: 9.20.3.13
    Affected: 9.20.3.16
    Affected: 9.20.3.20
    Affected: 9.22.1.1
    Affected: 9.22.1.3
    Affected: 9.22.1.2
    Affected: 9.22.1.6
    Affected: 9.22.2
    Affected: 9.23.1
    Affected: 9.23.1.3
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0
    Affected: 6.4.0.1
    Affected: 6.4.0.3
    Affected: 6.4.0.2
    Affected: 6.4.0.4
    Affected: 6.4.0.5
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 6.4.0.13
    Affected: 6.4.0.14
    Affected: 6.4.0.15
    Affected: 6.4.0.16
    Affected: 6.4.0.17
    Affected: 6.4.0.18
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.2
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.0
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

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                    "id": "CVE-2026-20020",
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    CVE-2026-20016 (GCVE-0-2026-20016)

    Vulnerability from cvelistv5 – Published: 2026-03-04 18:34 – Updated: 2026-03-05 04:55
    VLAI
    Summary
    A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device. This vulnerability is due to insufficient input validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input for specific CLI commands. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 00:00 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.0.1.1
    Affected: 7.0.2
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.0.4
    Affected: 7.0.5
    Affected: 7.0.6
    Affected: 7.0.6.1
    Affected: 7.0.6.2
    Affected: 7.0.6.3
    Affected: 7.0.7
    Affected: 7.0.8
    Affected: 7.0.8.1
    Affected: 7.1.0
    Affected: 7.1.0.1
    Affected: 7.1.0.3
    Affected: 7.2.0
    Affected: 7.2.0.1
    Affected: 7.2.1
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.2.4
    Affected: 7.2.4.1
    Affected: 7.2.5
    Affected: 7.2.5.1
    Affected: 7.2.6
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.2.8
    Affected: 7.2.8.1
    Affected: 7.2.9
    Affected: 7.2.10
    Affected: 7.2.10.2
    Affected: 7.3.0
    Affected: 7.3.1
    Affected: 7.3.1.1
    Affected: 7.3.1.2
    Affected: 7.4.1
    Affected: 7.4.1.1
    Affected: 7.4.2
    Affected: 7.4.2.1
    Affected: 7.4.2.2
    Affected: 7.4.2.3
    Affected: 7.4.2.4
    Affected: 7.4.3
    Affected: 7.6.0
    Affected: 7.6.1
    Affected: 7.6.2
    Affected: 7.6.2.1
    Affected: 7.7.0
    Affected: 7.7.10
    Affected: 7.7.10.1
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-20073 (GCVE-0-2026-20073)

    Vulnerability from cvelistv5 – Published: 2026-03-04 17:52 – Updated: 2026-03-04 18:07
    VLAI
    Title
    Cisco Secure Firewall Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability
    Summary
    A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to send traffic that should be denied through an affected device. This vulnerability is due to improper error handling when an affected device that is joining a cluster runs out of memory while replicating access control rules. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-03-04 18:07 UTC
    CWE
    • CWE-284 - Improper Access Control
    Impacted products
    Vendor Product Version
    Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.3
    Affected: 9.12.1
    Affected: 9.12.2
    Affected: 9.12.4
    Affected: 9.12.3.2
    Affected: 9.12.3.7
    Affected: 9.12.2.5
    Affected: 9.12.3.12
    Affected: 9.12.1.3
    Affected: 9.12.2.4
    Affected: 9.12.1.2
    Affected: 9.12.2.9
    Affected: 9.12.3.9
    Affected: 9.12.2.1
    Affected: 9.12.4.2
    Affected: 9.12.4.4
    Affected: 9.12.4.7
    Affected: 9.12.4.8
    Affected: 9.12.4.10
    Affected: 9.12.4.13
    Affected: 9.12.4.18
    Affected: 9.12.4.24
    Affected: 9.16.1
    Affected: 9.12.4.26
    Affected: 9.16.1.28
    Affected: 9.12.4.29
    Affected: 9.16.2
    Affected: 9.12.4.30
    Affected: 9.16.2.3
    Affected: 9.12.4.35
    Affected: 9.16.2.7
    Affected: 9.12.4.37
    Affected: 9.17.1
    Affected: 9.16.2.11
    Affected: 9.16.2.13
    Affected: 9.12.4.39
    Affected: 9.12.4.38
    Affected: 9.16.2.14
    Affected: 9.17.1.7
    Affected: 9.12.4.40
    Affected: 9.16.3.3
    Affected: 9.16.3
    Affected: 9.16.3.14
    Affected: 9.17.1.9
    Affected: 9.12.4.41
    Affected: 9.17.1.10
    Affected: 9.18.1
    Affected: 9.12.4.47
    Affected: 9.16.3.15
    Affected: 9.18.1.3
    Affected: 9.17.1.11
    Affected: 9.12.4.48
    Affected: 9.18.2
    Affected: 9.16.3.19
    Affected: 9.17.1.13
    Affected: 9.12.4.50
    Affected: 9.17.1.15
    Affected: 9.12.4.52
    Affected: 9.16.3.23
    Affected: 9.18.2.5
    Affected: 9.16.4
    Affected: 9.12.4.54
    Affected: 9.17.1.20
    Affected: 9.18.2.7
    Affected: 9.19.1
    Affected: 9.16.4.9
    Affected: 9.12.4.55
    Affected: 9.18.2.8
    Affected: 9.16.4.14
    Affected: 9.18.3
    Affected: 9.19.1.5
    Affected: 9.12.4.56
    Affected: 9.17.1.30
    Affected: 9.19.1.9
    Affected: 9.18.3.39
    Affected: 9.16.4.19
    Affected: 9.12.4.58
    Affected: 9.19.1.12
    Affected: 9.18.3.46
    Affected: 9.16.4.27
    Affected: 9.19.1.18
    Affected: 9.18.3.53
    Affected: 9.18.3.55
    Affected: 9.16.4.38
    Affected: 9.17.1.33
    Affected: 9.12.4.62
    Affected: 9.16.4.39
    Affected: 9.18.3.56
    Affected: 9.20.1
    Affected: 9.16.4.42
    Affected: 9.19.1.22
    Affected: 9.18.4
    Affected: 9.20.1.5
    Affected: 9.18.4.5
    Affected: 9.19.1.24
    Affected: 9.16.4.48
    Affected: 9.18.4.8
    Affected: 9.20.2
    Affected: 9.19.1.27
    Affected: 9.12.4.65
    Affected: 9.16.4.55
    Affected: 9.18.4.22
    Affected: 9.20.2.10
    Affected: 9.16.4.57
    Affected: 9.19.1.28
    Affected: 9.17.1.39
    Affected: 9.12.4.67
    Affected: 9.18.4.24
    Affected: 9.20.2.21
    Affected: 9.16.4.61
    Affected: 9.19.1.31
    Affected: 9.18.4.29
    Affected: 9.20.2.22
    Affected: 9.16.4.62
    Affected: 9.18.4.34
    Affected: 9.20.3
    Affected: 9.16.4.67
    Affected: 9.16.4.70
    Affected: 9.18.4.40
    Affected: 9.23.1
    Affected: 9.22.1.1
    Affected: 9.16.4.71
    Affected: 9.20.3.4
    Affected: 9.18.4.47
    Affected: 9.20.3.7
    Affected: 9.17.1.45
    Affected: 9.19.1.37
    Affected: 9.17.1.46
    Affected: 9.16.4.76
    Affected: 9.20.3.9
    Affected: 9.19.1.38
    Affected: 9.18.4.50
    Affected: 9.22.1.3
    Affected: 9.20.3.10
    Affected: 9.22.1.2
    Affected: 9.18.4.52
    Affected: 9.20.3.13
    Affected: 9.22.1.6
    Affected: 9.18.4.53
    Affected: 9.16.4.82
    Affected: 9.22.2
    Affected: 9.20.3.16
    Affected: 9.19.1.42
    Affected: 9.18.4.57
    Affected: 9.16.4.84
    Affected: 9.23.1.3
    Affected: 9.20.3.20
    Affected: 9.22.2.4
    Affected: 9.23.1.7
    Affected: 9.20.4
    Affected: 9.22.2.9
    Affected: 9.23.1.13
    Affected: 9.20.4.7
    Affected: 9.22.2.13
    Affected: 9.18.4.66
    Affected: 9.20.4.10
    Affected: 9.23.1.19
    Affected: 9.18.4.67
    Affected: 9.18.4.68
    Create a notification for this product.
    Cisco Cisco Secure Firewall Threat Defense (FTD) Software Affected: 6.4.0.1
    Affected: 6.4.0.2
    Affected: 6.4.0.5
    Affected: 6.4.0
    Affected: 6.4.0.3
    Affected: 6.4.0.4
    Affected: 6.4.0.6
    Affected: 6.4.0.7
    Affected: 6.4.0.8
    Affected: 6.4.0.9
    Affected: 6.4.0.10
    Affected: 6.4.0.11
    Affected: 6.4.0.12
    Affected: 7.0.0
    Affected: 7.0.0.1
    Affected: 7.0.1
    Affected: 7.1.0
    Affected: 6.4.0.13
    Affected: 7.0.1.1
    Affected: 6.4.0.14
    Affected: 7.1.0.1
    Affected: 7.0.2
    Affected: 6.4.0.15
    Affected: 7.2.0
    Affected: 7.0.2.1
    Affected: 7.0.3
    Affected: 7.1.0.2
    Affected: 7.2.0.1
    Affected: 7.0.4
    Affected: 7.2.1
    Affected: 7.0.5
    Affected: 6.4.0.16
    Affected: 7.3.0
    Affected: 7.2.2
    Affected: 7.2.3
    Affected: 7.3.1
    Affected: 7.1.0.3
    Affected: 7.2.4
    Affected: 7.0.6
    Affected: 7.2.5
    Affected: 7.2.4.1
    Affected: 7.3.1.1
    Affected: 7.4.0
    Affected: 6.4.0.17
    Affected: 7.0.6.1
    Affected: 7.2.5.1
    Affected: 7.4.1
    Affected: 7.2.6
    Affected: 7.0.6.2
    Affected: 7.4.1.1
    Affected: 6.4.0.18
    Affected: 7.2.7
    Affected: 7.2.5.2
    Affected: 7.3.1.2
    Affected: 7.2.8
    Affected: 7.6.0
    Affected: 7.4.2
    Affected: 7.2.8.1
    Affected: 7.0.6.3
    Affected: 7.4.2.1
    Affected: 7.2.9
    Affected: 7.0.7
    Affected: 7.7.0
    Affected: 7.4.2.2
    Affected: 7.2.10
    Affected: 7.6.1
    Affected: 7.4.2.3
    Affected: 7.0.8
    Affected: 7.6.2
    Affected: 7.7.10
    Affected: 7.0.8.1
    Affected: 7.6.2.1
    Affected: 7.7.10.1
    Affected: 7.4.2.4
    Affected: 7.2.10.2
    Create a notification for this product.
    Show details on NVD website

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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to send traffic that should be denied through an affected device.\r\n\r\nThis vulnerability is due to improper error handling when an affected device that is joining a cluster runs out of memory while replicating access control rules. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks."
            }
          ],
          "exploits": [
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              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
            }
          ],
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                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.8,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                "version": "3.1"
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              "format": "cvssV3_1"
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          ],
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                  "cweId": "CWE-284",
                  "description": "Improper Access Control",
                  "lang": "en",
                  "type": "cwe"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-04T17:52:06.331Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "cisco-sa-asaftd-aclbypass-dos-CVxVRSvQ",
              "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-aclbypass-dos-CVxVRSvQ"
            }
          ],
          "source": {
            "advisory": "cisco-sa-asaftd-aclbypass-dos-CVxVRSvQ",
            "defects": [
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            ],
            "discovery": "EXTERNAL"
          },
          "title": "Cisco Secure Firewall Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2026-20073",
        "datePublished": "2026-03-04T17:52:06.331Z",
        "dateReserved": "2025-10-08T11:59:15.362Z",
        "dateUpdated": "2026-03-04T18:07:54.606Z",
        "state": "PUBLISHED"
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
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