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CVE-2023-6803

Estado: ModificadaMedia (4)—

A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

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)

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{
  "id": "CVE-2023-6803",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "product-cna@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L",
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          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
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        "exploitabilityScore": 0.3
      },
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        "type": "Primary",
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.3
      }
    ]
  },
  "affected": [
    {
      "source": "product-cna@github.com",
      "affectedData": [
        {
          "vendor": "GitHub",
          "product": "Enterprise Server",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
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                  "status": "unaffected"
                }
              ],
              "version": "3.8",
              "versionType": "semver",
              "lessThanOrEqual": "3.8.11"
            },
            {
              "status": "affected",
              "changes": [
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                  "status": "unaffected"
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              "version": "3.9",
              "versionType": "semver",
              "lessThanOrEqual": "3.9.6"
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  ],
  "published": "2023-12-21T21:15:14.800",
  "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"
    },
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      "url": "https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1",
      "tags": [
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      "source": "product-cna@github.com"
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      "source": "product-cna@github.com"
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      "tags": [
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      "source": "product-cna@github.com"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "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 allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 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 permite agregar un colaborador externo mientras se transfiere un repositorio. Esta vulnerabilidad afectó a todas las versiones de GitHub Enterprise Server desde la 3.8 y se solucionó en las versiones 3.8.12, 3.9.7, 3.10.4 y 3.11.1."
    }
  ],
  "lastModified": "2026-06-17T06:51:27.307",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}