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CVE-2019-5474

Estado: ModificadaMedia (6.5)—

Se detectó un problema de autorización en GitLab EE versiones anteriores a 12.1.2, versiones anteriores a 12.0.4 y versiones anteriores a 11.11.6, permitiendo que las reglas de aprobación de petición de fusión sea anuladas sin los permisos apropiados.

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)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-5474",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "GitLab",
          "product": "GitLab EE",
          "versions": [
            {
              "status": "affected",
              "version": "before 12.1.2"
            },
            {
              "status": "affected",
              "version": "before 12.0.4"
            },
            {
              "status": "affected",
              "version": "before 11.11.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-01-28T03:15:11.310",
  "references": [
    {
      "url": "https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/",
      "tags": [
        "Patch",
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab-ee/issues/11423",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/544756",
      "tags": [
        "Permissions Required"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/",
      "tags": [
        "Patch",
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab-ee/issues/11423",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hackerone.com/reports/544756",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authorization issue was discovered in GitLab EE < 12.1.2, < 12.0.4, and < 11.11.6 allowing the merge request approval rules to be overridden without appropriate permissions."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema de autorización en GitLab EE versiones anteriores a 12.1.2, versiones anteriores a 12.0.4 y versiones anteriores a 11.11.6, permitiendo que las reglas de aprobación de petición de fusión sea anuladas sin los permisos apropiados."
    }
  ],
  "lastModified": "2026-06-17T02:37:45.160",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DFC060B-1FAC-44C9-9300-0E2F5B5CAE69",
              "versionEndExcluding": "11.11.6",
              "versionStartIncluding": "11.8.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "595B584B-2A5C-44F6-AC4C-51ACF913C6C5",
              "versionEndExcluding": "12.0.4",
              "versionStartIncluding": "12.0.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D12A3A81-4A4F-441A-A820-F2D19B1A5C89",
              "versionEndExcluding": "12.1.2",
              "versionStartIncluding": "12.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}