Vulnerability-Lookup

CVE-2024-4629 (GCVE-0-2024-4629)

Vulnerability from cvelistv5 – Published: 2024-09-03 19:42 – Updated: 2026-03-26 23:13

Title

Keycloak: potential bypass of brute force protection

Summary

A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-03 20:20 UTC

CWE

CWE-837 - Improper Enforcement of a Single, Unique Action

Assigner

redhat redhat root

References

11 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:6493	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6494	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6495	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6497	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6499	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6500	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6501	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-4629	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2276761	issue-trackingx_refsource_REDHAT
https://security.humanativaspa.it/an-analysis-of-…
https://github.com/hnsecurity/vulns/blob/main/HNS…

Impacted products

11 products

Vendor	Product	Version
		Affected: 24.0.3
Red Hat	Red Hat Build of Keycloak	cpe:/a:redhat:build_keycloak:22
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22.0.12-1 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-17 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-20 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat Single Sign-On 7	cpe:/a:redhat:red_hat_single_sign_on:7.6
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 7	Unaffected: 0:18.0.16-1.redhat_00001.1.el7sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 8	Unaffected: 0:18.0.16-1.redhat_00001.1.el8sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red Hat	Red Hat Single Sign-On 7.6 for RHEL 9	Unaffected: 0:18.0.16-1.redhat_00001.1.el9sso , < * (rpm) cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat	RHEL-8 based Middleware Containers	Unaffected: 7.6-52 , < * (rpm) cpe:/a:redhat:rhosemc:1.0::el8
Red Hat	Red Hat JBoss Enterprise Application Platform 8	cpe:/a:redhat:jboss_enterprise_application_platform:8

Date Public

2024-09-03 19:38

Show details on NVD website

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bit-keycloak-2024-4629

Vulnerability from bitnami_vulndb

Published

2026-08-25 12:16

Modified

2026-09-08 08:34

Summary

Keycloak: potential bypass of brute force protection

Details

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "keycloak",
        "purl": "pkg:bitnami/keycloak"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "22.0.0"
            },
            {
              "fixed": "22.12.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-4629"
  ],
  "database_specific": {
    "cpes": [
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    ],
    "severity": "Medium"
  },
  "details": "A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.",
  "id": "BIT-keycloak-2024-4629",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2026-08-25T12:16:16.496Z",
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    },
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    },
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    },
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      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4629"
    },
    {
      "type": "WEB",
      "url": "https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/"
    }
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  "schema_version": "1.6.2",
  "summary": "Keycloak: potential bypass of brute force protection"
}

EUVD-2026-55172

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-03 10:48

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-03T10:48:34.300844+00:00",
  "id": "EUVD-2026-55172"
}

FKIE_CVE-2024-4629

Vulnerability from fkie_nvd - Published: 2024-09-03 20:15 - Updated: 2026-06-17 08:02

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Summary

References

URL	Tags
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6493	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6494	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6495	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6497	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6499	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6500	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:6501	Vendor Advisory
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2024-4629	Vendor Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2276761	Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/hnsecurity/vulns/blob/main/HNS-2024-09-Keycloak.md
af854a3a-2127-422b-91ae-364da2661108	https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/

Impacted products

Vendor	Product	Version
redhat	keycloak	*
redhat	build_of_keycloak	*
redhat	single_sign-on	-
redhat	single_sign-on	*
redhat	enterprise_linux	7.0
redhat	enterprise_linux	8.0
redhat	enterprise_linux	9.0
redhat	openshift_container_platform	4.11
redhat	openshift_container_platform	4.12
redhat	openshift_container_platform_for_linuxone	4.9
redhat	openshift_container_platform_for_linuxone	4.10
redhat	openshift_container_platform_for_power	4.9
redhat	openshift_container_platform_for_power	4.10
redhat	openshift_container_platform_ibm_z_systems	4.9
redhat	openshift_container_platform_ibm_z_systems	4.10
redhat	enterprise_linux	8.0

JSON

To clipboard

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          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-4629",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-03T20:20:28.329028Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-09-03T20:15:09.003",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6493"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6494"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6495"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6497"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6499"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6500"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/errata/RHSA-2024:6501"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://access.redhat.com/security/cve/CVE-2024-4629"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2276761"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/hnsecurity/vulns/blob/main/HNS-2024-09-Keycloak.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-837"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}

GHSA-GC7Q-JGJV-VJR2

Vulnerability from github – Published: 2024-09-17 22:29 – Updated: 2024-09-17 22:29

Summary

Keycloak Services has a potential bypass of brute force protection

Details

If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user.

Acknowledgements: Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "22.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "23.0.0"
            },
            {
              "fixed": "24.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "25.0.0"
            },
            {
              "fixed": "25.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-4629"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307",
      "CWE-837"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-09-17T22:29:01Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "If an attacker launches many login attempts in parallel then the attacker can have more guesses at a password than the brute force protection configuration permits. This is due to the brute force check occurring before the brute force protector has locked the user.\n\n**Acknowledgements:**\nSpecial thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.",
  "id": "GHSA-gc7q-jgjv-vjr2",
  "modified": "2024-09-17T22:29:01Z",
  "published": "2024-09-17T22:29:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-gc7q-jgjv-vjr2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4629"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/d78b3072ffffbff3954bf9f3181e3daf8e93c1ab"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/c8053dd812d9b9f05b293f901b9dc39e061ebb88"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/b25c28458a562abda2f84fc684e59cce8577e562"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/99f92ad5fff5555d53930c2d32f8be3e08c514c1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/461fa631dc55b9739c9ed8c49de9f5b213955200"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/2fb358e1a21c5387cdc11100ce3562b4dcfe5416"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2276761"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2024-4629"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6501"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6500"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6499"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6497"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6495"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6494"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:6493"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Keycloak Services has a potential bypass of brute force protection"
}

RHSA-2024:6493

Vulnerability from csaf_redhat - Published: 2024-09-09 16:00 - Updated: 2026-08-27 09:54

Summary

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.10 security update on RHEL 7

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2024:6493

Open the full advisory

RHSA-2024:6494

Vulnerability from csaf_redhat - Published: 2024-09-09 16:02 - Updated: 2026-08-27 09:54

Summary

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.10 security update on RHEL 8

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2024:6494

Open the full advisory

RHSA-2024:6495

Vulnerability from csaf_redhat - Published: 2024-09-09 16:09 - Updated: 2026-08-27 09:54

Summary

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.10 security update on RHEL 9

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2024:6495

Open the full advisory

RHSA-2024:6497

Vulnerability from csaf_redhat - Published: 2024-09-09 16:12 - Updated: 2026-08-27 09:54

Summary

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.10 for OpenShift image enhancement update

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2024:6497

Open the full advisory

RHSA-2024:6499

Vulnerability from csaf_redhat - Published: 2024-09-09 15:58 - Updated: 2026-09-09 01:43

Summary

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.10 security update

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2024:6499

Open the full advisory

RHSA-2024:6500

Vulnerability from csaf_redhat - Published: 2024-09-09 16:05 - Updated: 2026-08-27 09:54

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 22.0.12 Images Update

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-4629.

CVE-2024-4629

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Fixed: 7 products

https://access.redhat.com/errata/RHSA-2024:6500

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-4629 (GCVE-0-2024-4629)

Vulnerability from bitnami_vulndb

Tags

Sightings

Nomenclature

Related by attack behaviour