Vulnerability-Lookup

OESA-2025-2318 (CVE-2025-5187)

Vulnerability from osv_openeuler – Published: 2025-09-19 11:09 – Updated: 2026-08-06 11:09 – Source website

Summary

kubernetes security update

Details

Container cluster management.

Security Fix(es):

A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.(CVE-2025-5187)

Severity

6.7 (Medium)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-5187	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "kubernetes-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-client-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-help-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-kubeadm-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-kubelet-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-master-1.20.2-27.oe2203sp4.aarch64.rpm",
          "kubernetes-node-1.20.2-27.oe2203sp4.aarch64.rpm"
        ],
        "src": [
          "kubernetes-1.20.2-27.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "kubernetes-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-client-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-help-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-kubeadm-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-kubelet-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-master-1.20.2-27.oe2203sp4.x86_64.rpm",
          "kubernetes-node-1.20.2-27.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "kubernetes",
        "purl": "pkg:rpm/openEuler/kubernetes\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.2-27.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Container cluster management.\r\n\r\nSecurity Fix(es):\n\nA vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.(CVE-2025-5187)",
  "id": "OESA-2025-2318",
  "modified": "2026-08-06T11:09:23Z",
  "published": "2025-09-19T11:09:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2318"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5187"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "kubernetes security update",
  "upstream": [
    "CVE-2025-5187"
  ]
}

CVE-2025-5187 (GCVE-0-2025-5187)

Vulnerability from cvelistv5 – Published: 2025-08-27 16:20 – Updated: 2026-02-26 17:47

Title

Nodes can delete themselves by adding an OwnerReference

Summary

Severity

6.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-28 03:55 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

kubernetes mitre root

References

2 references

URL	Tags
https://github.com/kubernetes/kubernetes/issues/133471	issue-tracking
https://groups.google.com/g/kubernetes-security-a…	mailing-list

Impacted products

1 product

Vendor	Product	Version
Kubernetes	Kubernetes	Affected: v1.31.0 , ≤ v1.31.11 (custom) Affected: v1.32.0 , ≤ v1.32.7 (custom) Affected: v1.33.0 , ≤ v1.33.3 (custom)

Date Public

2025-08-13 20:00

Credits

Paul Viossat

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5187",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-28T03:55:27.614711Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T17:47:59.242Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThanOrEqual": "v1.31.11",
              "status": "affected",
              "version": "v1.31.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "v1.32.7",
              "status": "affected",
              "version": "v1.32.0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "v1.33.3",
              "status": "affected",
              "version": "v1.33.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Paul Viossat"
        }
      ],
      "datePublic": "2025-08-13T20:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
            }
          ],
          "value": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-554",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-554 Functionality Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-27T16:20:56.778Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/133471"
        },
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "To mitigate this vulnerability, upgrade Kubernetes:  \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\"\u003ehttps://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\u003c/a\u003e\u003cbr\u003e"
            }
          ],
          "value": "To mitigate this vulnerability, upgrade Kubernetes:   https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Nodes can delete themselves by adding an OwnerReference",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2025-5187",
    "datePublished": "2025-08-27T16:20:56.778Z",
    "dateReserved": "2025-05-25T18:24:14.173Z",
    "dateUpdated": "2026-02-26T17:47:59.242Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.