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CVE-2021-42135

Estado: ModificadaAlta (8.1)—

HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials.

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)

Hashicorp — Vault

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-42135",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-11T03:15:06.760",
  "references": [
    {
      "url": "https://discuss.hashicorp.com/t/hcsec-2021-28-vaults-google-cloud-secrets-engine-policies-with-globs-may-provide-additional-privileges-in-vault-1-8-0-onwards/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://discuss.hashicorp.com/t/hcsec-2021-28-vaults-google-cloud-secrets-engine-policies-with-globs-may-provide-additional-privileges-in-vault-1-8-0-onwards/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may have an unexpected interaction between glob-related policies and the Google Cloud secrets engine. Users may, in some situations, have more privileges than intended, e.g., a user with read permission for the /gcp/roleset/* path may be able to issue Google Cloud service account credentials."
    },
    {
      "lang": "es",
      "value": "HashiCorp Vault y Vault Enterprise versiones 1.8.x a 1.8.4, pueden tener una interacción inesperada entre las políticas relacionadas con glob y el motor de secretos de Google Cloud. Los usuarios pueden, en algunas situaciones, tener más privilegios de los previstos, por ejemplo, un usuario con permiso de lectura para la ruta /gcp/roleset/* puede ser capaz de emitir credenciales de cuentas de servicio de Google Cloud"
    }
  ],
  "lastModified": "2026-06-17T04:09:24.413",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A969F70A-A0A5-4F1E-9B59-554F034FA785",
              "versionEndIncluding": "1.8.4",
              "versionStartIncluding": "1.8.0"
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E61B9141-843A-4039-9B4F-4A3443C9023C",
              "versionEndIncluding": "1.8.4",
              "versionStartIncluding": "1.8.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}