FKIE_CVE-2025-5187

Vulnerability from fkie_nvd - Published: 2025-08-27 17:15 - Updated: 2025-08-29 16:24
Severity ?
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
Summary
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.
References
jordan@liggitt.nethttps://github.com/kubernetes/kubernetes/issues/133471
jordan@liggitt.nethttps://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad en el controlador de admisi\u00f3n NodeRestriction de los cl\u00fasteres de Kubernetes, donde los usuarios de los nodos pueden eliminar su objeto de nodo correspondiente al aplicar una referencia de propietario a un recurso del cl\u00faster. Si el recurso OwnerReference no existe o se elimina posteriormente, el objeto de nodo en cuesti\u00f3n se eliminar\u00e1 mediante la recolecci\u00f3n de elementos no utilizados."
    }
  ],
  "id": "CVE-2025-5187",
  "lastModified": "2025-08-29T16:24:09.860",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.5,
        "source": "jordan@liggitt.net",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-27T17:15:48.270",
  "references": [
    {
      "source": "jordan@liggitt.net",
      "url": "https://github.com/kubernetes/kubernetes/issues/133471"
    },
    {
      "source": "jordan@liggitt.net",
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
    }
  ],
  "sourceIdentifier": "jordan@liggitt.net",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "jordan@liggitt.net",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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