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CVE-2021-36782

Estado: ModificadaCrítica (9.9)—💥 PoC

A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners, Project Members and User Base to use the Kubernetes API to retrieve plaintext version of sensitive data. This issue affects: SUSE Rancher Rancher versions prior to 2.5.16; Rancher versions prior to 2.6.7.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-36782",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "meissner@suse.de",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.1
      }
    ]
  },
  "affected": [
    {
      "source": "meissner@suse.de",
      "affectedData": [
        {
          "vendor": "SUSE",
          "product": "Rancher",
          "versions": [
            {
              "status": "affected",
              "version": "Rancher",
              "lessThan": "2.5.16",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "SUSE",
          "product": "Rancher",
          "versions": [
            {
              "status": "affected",
              "version": "Rancher",
              "lessThan": "2.6.7",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-09-07T09:15:08.397",
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1193988",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "meissner@suse.de"
    },
    {
      "url": "https://github.com/rancher/rancher/security/advisories/GHSA-g7j7-h4q8-8w2f",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "meissner@suse.de"
    },
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1193988",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/rancher/rancher/security/advisories/GHSA-g7j7-h4q8-8w2f",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "meissner@suse.de",
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners, Project Members and User Base to use the Kubernetes API to retrieve plaintext version of sensitive data. This issue affects: SUSE Rancher Rancher versions prior to 2.5.16; Rancher versions prior to 2.6.7."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Almacenamiento en Texto sin Cifrar de Información confidencial en SUSE Rancher permite a propietarios de clústeres, los miembros de clústeres, los propietarios de proyectos, los miembros de proyectos y la base de usuarios autenticados usar la API de Kubernetes para recuperar una versión en texto sin cifrar de datos confidenciales. Este problema afecta a: SUSE Rancher versiones anteriores a 2.5.16; Rancher versiones anteriores a 2.6.7"
    }
  ],
  "lastModified": "2026-06-17T03:59:11.037",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0F219B91-5B6F-460A-A75F-93555ECF2C1A",
              "versionEndExcluding": "2.5.16",
              "versionStartIncluding": "2.5.0"
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B45FC83F-E91A-4872-996E-72685FBD0AA3",
              "versionEndExcluding": "2.6.7",
              "versionStartIncluding": "2.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "meissner@suse.de"
}