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CVE-2023-6847

Estado: ModificadaAlta (7.5)—

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.

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)

Github — Enterprise Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-6847",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "product-cna@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "product-cna@github.com",
      "affectedData": [
        {
          "vendor": "GitHub",
          "product": "Enterprise Server",
          "versions": [
            {
              "status": "affected",
              "version": "3.9.0",
              "lessThan": "3.9.7",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.10.0",
              "lessThan": "3.10.4",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.11.0",
              "lessThan": "3.11.1",
              "versionType": "semver"
            }
          ],
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  "published": "2023-12-21T21:15:15.340",
  "references": [
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      "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"
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      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7",
      "tags": [
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      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4",
      "tags": [
        "Release Notes"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1",
      "tags": [
        "Release Notes"
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      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "product-cna@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed a bypass of Private Mode by using a specially crafted API request. To exploit this vulnerability, an attacker would need network access to the Enterprise Server appliance configured in Private Mode. This vulnerability affected all versions of GitHub Enterprise Server since 3.9 and was fixed in version 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.\n"
    },
    {
      "lang": "es",
      "value": "Se identificó una vulnerabilidad de autenticación incorrecta en GitHub Enterprise Server que permitía omitir el Private Mode mediante el uso de una solicitud API especialmente manipulada. Para aprovechar esta vulnerabilidad, un atacante necesitaría acceso de red al dispositivo Enterprise Server configurado en Private Mode. Esta vulnerabilidad afectó a todas las versiones de GitHub Enterprise Server desde la 3.9 y se solucionó en las versiones 3.9.7, 3.10.4 y 3.11.1. Esta vulnerabilidad se informó a través del programa GitHub Bug Bounty."
    }
  ],
  "lastModified": "2026-06-17T06:51:32.077",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B118EB53-4459-4817-8F74-002DBA4860DA",
              "versionEndExcluding": "3.9.7",
              "versionStartIncluding": "3.9.0"
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F65FB74F-11AB-439B-9CF0-9F08E03E4083",
              "versionEndExcluding": "3.10.4",
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "AC723276-C3EE-4F79-857A-3A5C078C33E2"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "product-cna@github.com"
}