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CVE-2021-25318

Estado: ModificadaAlta (8.8)—

A Incorrect Permission Assignment for Critical Resource vulnerability in Rancher allows users in the cluster to modify resources they should not have access to. This issue affects: Rancher versions prior to 2.5.9 ; Rancher versions prior to 2.4.16.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Rancher — Rancher

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25318",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "meissner@suse.de",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "meissner@suse.de",
      "affectedData": [
        {
          "vendor": "Rancher",
          "product": "Rancher",
          "versions": [
            {
              "status": "affected",
              "version": "Rancher",
              "lessThan": "2.5.9",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Rancher",
          "product": "Rancher",
          "versions": [
            {
              "status": "affected",
              "version": "Rancher",
              "lessThan": "2.4.16",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-15T09:15:07.777",
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1184913",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "meissner@suse.de"
    },
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1184913",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "meissner@suse.de",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Incorrect Permission Assignment for Critical Resource vulnerability in Rancher allows users in the cluster to modify resources they should not have access to. This issue affects: Rancher versions prior to 2.5.9 ; Rancher versions prior to 2.4.16."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Asignación Incorrecta de Permisos para Recursos Críticos en Rancher permite a usuarios del clúster modificar recursos a los que no deberían tener acceso. Este problema afecta a: Rancher versiones anteriores a 2.5.9; Rancher versiones anteriores a 2.4.16"
    }
  ],
  "lastModified": "2026-06-17T03:41:49.187",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "61F2398D-29ED-4CD4-A229-186EF99BB4E8",
              "versionEndExcluding": "2.4.16"
            },
            {
              "criteria": "cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "67B096D9-719A-43C1-8B49-AF0C09A30715",
              "versionEndExcluding": "2.5.9",
              "versionStartIncluding": "2.5.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "meissner@suse.de"
}