CVE-2020-8551 (GCVE-0-2020-8551)

Vulnerability from cvelistv5 – Published: 2020-03-27 14:25 – Updated: 2024-08-04 10:03
VLAI
Title
Kubernetes kubelet denial of service
Summary
The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250.
Severity
4.3 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-789 - Uncontrolled Memory Allocation
Assigner
References
Impacted products
Vendor Product Version
Kubernetes Kubernetes Affected: unspecified , < v1.17.3 (custom)
Affected: unspecified , < v1.16.7 (custom)
Affected: unspecified , < v1.15.10 (custom)
Create a notification for this product.
Credits
Henrik Schmidt
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:03:45.888Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/kubernetes/issues/89377"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200413-0003/"
          },
          {
            "name": "FEDORA-2020-aeea04cd13",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThan": "v1.17.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "v1.16.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "v1.15.10",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Henrik Schmidt"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "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",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "CWE-789 Uncontrolled Memory Allocation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-24T02:06:18.000Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/89377"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200413-0003/"
        },
        {
          "name": "FEDORA-2020-aeea04cd13",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/"
        }
      ],
      "source": {
        "defect": [
          "https://github.com/kubernetes/kubernetes/issues/89377"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Kubernetes kubelet denial of service",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@kubernetes.io",
          "ID": "CVE-2020-8551",
          "STATE": "PUBLIC",
          "TITLE": "Kubernetes kubelet denial of service"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kubernetes",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "v1.17.3"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "v1.16.7"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "v1.15.10"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Kubernetes"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Henrik Schmidt"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "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",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-789 Uncontrolled Memory Allocation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/kubernetes/kubernetes/issues/89377",
              "refsource": "MISC",
              "url": "https://github.com/kubernetes/kubernetes/issues/89377"
            },
            {
              "name": "https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s",
              "refsource": "MISC",
              "url": "https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200413-0003/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200413-0003/"
            },
            {
              "name": "FEDORA-2020-aeea04cd13",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/"
            }
          ]
        },
        "source": {
          "defect": [
            "https://github.com/kubernetes/kubernetes/issues/89377"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2020-8551",
    "datePublished": "2020-03-27T14:25:14.000Z",
    "dateReserved": "2020-02-03T00:00:00.000Z",
    "dateUpdated": "2024-08-04T10:03:45.888Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-8551",
      "date": "2026-10-03",
      "epss": "0.01242",
      "percentile": "0.68179"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.