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CVE-2020-13357

Estado: ModificadaMedia (4.3)—

Se detectó un problema en Gitlab CE/EE versiones posteriores a 13.1 incluyéndola hasta versiones anteriores a 13.4.7, versiones posteriores a 13.5 incluyéndola hasta versiones anteriores a 13.5.5 y versiones posteriores 13.6 incluyéndola hasta versiones anteriores a 13.6.2, permitieron a un usuario no autorizado acceder a la lista de usuarios correspondiente a un flag feature en un proyecto

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-2020-13357",
  "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:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "vendor": "GitLab",
          "product": "GitLab CE/EE",
          "versions": [
            {
              "status": "affected",
              "version": ">= 13.1 to <13.4.7"
            },
            {
              "status": "affected",
              "version": ">= 13.5 to <13.5.5"
            },
            {
              "status": "affected",
              "version": ">= 13.6 to <13.6.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-12-11T04:15:11.080",
  "references": [
    {
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13357.json",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/241132",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://hackerone.com/reports/962408",
      "tags": [
        "Press/Media Coverage"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13357.json",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/241132",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hackerone.com/reports/962408",
      "tags": [
        "Press/Media Coverage"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2 allowed an unauthorized user to access the user list corresponding to a feature flag in a project."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Gitlab CE/EE versiones posteriores a 13.1 incluyéndola hasta versiones anteriores a 13.4.7, versiones posteriores a 13.5 incluyéndola hasta versiones anteriores a 13.5.5 y versiones posteriores 13.6 incluyéndola hasta versiones anteriores a 13.6.2, permitieron a un usuario no autorizado acceder a la lista de usuarios correspondiente a un flag feature en un proyecto"
    }
  ],
  "lastModified": "2026-06-17T02:53:01.263",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2C4CD49E-C8FF-4830-B28D-E2FADE748F81",
              "versionEndExcluding": "13.4.7",
              "versionStartIncluding": "13.1.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A46662D9-9CD8-4BA5-B539-D608C34BEBE7",
              "versionEndExcluding": "13.4.7",
              "versionStartIncluding": "13.1.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "468AFC4C-4AFE-4502-AE04-CEC567CC9454",
              "versionEndExcluding": "13.5.5",
              "versionStartIncluding": "13.5.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C03EE1D3-7824-43A8-ACA2-7EE7EA9B638E",
              "versionEndExcluding": "13.5.5",
              "versionStartIncluding": "13.5.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A470CCF-C038-44D4-AB14-B9134C0E7ABC",
              "versionEndExcluding": "13.6.2",
              "versionStartIncluding": "13.6.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63A5C9B5-F86B-4066-8042-865AB4DD4859",
              "versionEndExcluding": "13.6.2",
              "versionStartIncluding": "13.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@gitlab.com"
}