FKIE_CVE-2025-23369

Vulnerability from fkie_nvd - Published: 2025-01-21 19:15 - Updated: 2025-09-05 15:00
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users. Instances not utilizing SAML single sign-on or where the attacker is not already an existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program.
References
product-cna@github.comhttps://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.14Release Notes
product-cna@github.comhttps://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.10Release Notes
product-cna@github.comhttps://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.7Release Notes
product-cna@github.comhttps://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.2Release Notes
Impacted products
Vendor Product Version
github enterprise_server *
github enterprise_server *
github enterprise_server *
github enterprise_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE10F81C-71FA-44B0-AB69-D81F0EBB8BFD",
              "versionEndExcluding": "3.12.14",
              "vulnerable": true
            },
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              "versionEndExcluding": "3.13.10",
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              "versionEndExcluding": "3.15.2",
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            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users.  Instances not utilizing SAML single sign-on or where the attacker is not already an existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program."
    },
    {
      "lang": "es",
      "value": "Se identific\u00f3 una vulnerabilidad de verificaci\u00f3n incorrecta de la firma criptogr\u00e1fica en GitHub Enterprise Server que permit\u00eda la suplantaci\u00f3n de firmas para usuarios internos no autorizados. Las instancias que no utilizaban el inicio de sesi\u00f3n \u00fanico SAML o en las que el atacante no era un usuario existente no se vieron afectadas. Esta vulnerabilidad afect\u00f3 a todas las versiones de GitHub Enterprise Server anteriores a 3.12.14, 3.13.10, 3.14.7, 3.15.2 y 3.16.0. Esta vulnerabilidad se inform\u00f3 a trav\u00e9s del programa de recompensas por errores de GitHub."
    }
  ],
  "id": "CVE-2025-23369",
  "lastModified": "2025-09-05T15:00:09.623",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "type": "Secondary"
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  "published": "2025-01-21T19:15:12.147",
  "references": [
    {
      "source": "product-cna@github.com",
      "tags": [
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      ],
      "url": "https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.14"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
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      ],
      "url": "https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.10"
    },
    {
      "source": "product-cna@github.com",
      "tags": [
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    },
    {
      "source": "product-cna@github.com",
      "tags": [
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      ],
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    }
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  "sourceIdentifier": "product-cna@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "product-cna@github.com",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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