{
  "id": "CVE-2021-39903",
  "sourceIdentifier": "cve@gitlab.com",
  "published": "2021-11-04T23:15:10.000",
  "lastModified": "2022-07-12T17:42:04.277",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings."
    },
    {
      "lang": "es",
      "value": "En todas las versiones de GitLab CE/EE desde versi\u00f3n 13.0, un usuario con privilegios, mediante una llamada a la API, puede cambiar el nivel de visibilidad de un grupo o un proyecto a una opci\u00f3n restringida incluso despu\u00e9s de que el administrador de la instancia establezca esa opci\u00f3n de visibilidad como restringida en la configuraci\u00f3n"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      },
      {
        "source": "cve@gitlab.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "versionStartIncluding": "13.0.0",
              "versionEndExcluding": "14.2.6",
              "matchCriteriaId": "B2F52683-494D-4206-9028-CBCB7F331E55"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "13.0.0",
              "versionEndExcluding": "14.2.6",
              "matchCriteriaId": "61ECACB6-A194-4715-93EE-0339DC6C3D2E"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "versionStartIncluding": "14.3.0",
              "versionEndExcluding": "14.3.4",
              "matchCriteriaId": "89D408A9-D433-4674-9EFF-94C13094C8D1"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "versionStartIncluding": "14.3.0",
              "versionEndExcluding": "14.3.4",
              "matchCriteriaId": "79C91F49-B540-4D22-8CC9-E5CAD399E520"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*",
              "matchCriteriaId": "33F825B9-51B3-44A9-ADC5-395B99F866E4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "0FC6A40A-F861-445A-BD61-1ACF7D7849B1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json",
      "source": "cve@gitlab.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/300017",
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://hackerone.com/reports/1086781",
      "source": "cve@gitlab.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ]
    }
  ]
}