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CVE-2023-6690

Status: ModifiedLow (2)—

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

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)

Github — Enterprise Server

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-6690",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "product-cna@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.9,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 0.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 2,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 0.5
      }
    ]
  },
  "affected": [
    {
      "source": "product-cna@github.com",
      "affectedData": [
        {
          "vendor": "GitHub",
          "product": "Enterprise Server",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "3.8.12",
                  "status": "unaffected"
                }
              ],
              "version": "3.8",
              "versionType": "semver",
              "lessThanOrEqual": "3.8.11"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "3.9.7",
                  "status": "unaffected"
                }
              ],
              "version": "3.9",
              "versionType": "semver",
              "lessThanOrEqual": "3.9.6"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "3.10.4",
                  "status": "unaffected"
                }
              ],
              "version": "3.10",
              "versionType": "semver",
              "lessThanOrEqual": "3.10.3"
            },
            {
              "status": "affected",
              "changes": [
                {
                  "at": "3.11.1",
                  "status": "unaffected"
                }
              ],
              "version": "3.11",
              "versionType": "semver",
              "lessThanOrEqual": "3.11.0"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2023-12-21T21:15:14.053",
  "references": [
    {
      "url": "https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4",
      "tags": [
        "Release Notes"
      ],
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1",
      "tags": [
        "Release Notes"
      ],
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12",
      "tags": [
        "Release Notes"
      ],
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7",
      "tags": [
        "Release Notes"
      ],
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "product-cna@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.\n"
    },
    {
      "lang": "es",
      "value": "Una condición de ejecución en GitHub Enterprise Server permitió a un administrador existente mantener los permisos en los repositorios transferidos al realizar una mutación GraphQL para alterar los permisos del repositorio durante la transferencia. Esta vulnerabilidad afectó a GitHub Enterprise Server versión 3.8.0 y superiores y se solucionó en las versiones 3.8.12, 3.9.7, 3.10.4 y 3.11.1."
    }
  ],
  "lastModified": "2026-06-17T06:51:14.807",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "vulnerable": true,
              "matchCriteriaId": "B3D983FF-FDDE-484C-AA34-31EB52E25EC2",
              "versionEndExcluding": "3.8.12",
              "versionStartIncluding": "3.8.0"
            },
            {
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              "versionEndExcluding": "3.9.7",
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              "criteria": "cpe:2.3:a:github:enterprise_server:3.11.0:*:*:*:*:*:*:*",
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  "sourceIdentifier": "product-cna@github.com"
}