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CVE-2019-5468

Status: ModifiedHigh (8.8)—

An privilege escalation issue was discovered in Gitlab versions < 12.1.2, < 12.0.4, and < 11.11.6 when Mattermost slash commands are used with a blocked account.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Gitlab — Gitlab

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-5468",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "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": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "GiltLab",
          "product": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "before 12.1.2"
            },
            {
              "status": "affected",
              "version": "before 12.0.4"
            },
            {
              "status": "affected",
              "version": "before 11.11.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-01-28T03:15:11.107",
  "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-ce/issues/57556",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/493562",
      "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-ce/issues/57556",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hackerone.com/reports/493562",
      "tags": [
        "Permissions Required"
      ],
      "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": "An privilege escalation issue was discovered in Gitlab versions < 12.1.2, < 12.0.4, and < 11.11.6 when Mattermost slash commands are used with a blocked account."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema de escalada de privilegios en GitLab versiones anteriores a 12.1.2, versiones anteriores a 12.0.4 y versiones anteriores a 11.11.6, cuando los comandos de barra de Mattermost son usados con una cuenta bloqueada."
    }
  ],
  "lastModified": "2026-06-17T02:37:44.520",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "470E2D2F-030A-49C2-AF61-DDC659EBFCC6",
              "versionEndExcluding": "11.11.6",
              "versionStartIncluding": "11.11.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F241A58-C88E-4155-AF2B-7B852465558E",
              "versionEndExcluding": "11.11.6",
              "versionStartIncluding": "11.11.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "62DEEA13-4D2C-436B-9780-983FC707DDF6",
              "versionEndExcluding": "12.0.4",
              "versionStartIncluding": "12.0.0"
            },
            {
              "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:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "99659BEC-15D0-4E75-BEBE-727FC32D9B35",
              "versionEndExcluding": "12.1.2",
              "versionStartIncluding": "12.1.0"
            },
            {
              "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"
}