CVE-2020-10516

An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.21 and was fixed in 2.20.9, 2.19.15, and 2.18.20. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://enterprise.github.com/releases/2.18.20/notes	Release Notes Third Party Advisory
https://enterprise.github.com/releases/2.19.15/notes	Release Notes Third Party Advisory
https://enterprise.github.com/releases/2.20.9/notes	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:github:github:::::enterprise:::*
	cpe:2.3:a:github:github:::::enterprise:::*
	cpe:2.3:a:github:github:::::enterprise:::*

History

No history.

Information

Published : 2020-06-03 14:15

Updated : 2024-02-28 17:47

NVD link : CVE-2020-10516

Mitre link : CVE-2020-10516

CVE.ORG link : CVE-2020-10516

JSON object : View

Products Affected

github

github

CWE

CWE-552

Files or Directories Accessible to External Parties

CWE-285

Improper Authorization

{"id": "CVE-2020-10516", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-06-03T14:15:12.377", "references": [{"url": "https://enterprise.github.com/releases/2.18.20/notes", "tags": ["Release Notes", "Third Party Advisory"], "source": "product-cna@github.com"}, {"url": "https://enterprise.github.com/releases/2.19.15/notes", "tags": ["Release Notes", "Third Party Advisory"], "source": "product-cna@github.com"}, {"url": "https://enterprise.github.com/releases/2.20.9/notes", "tags": ["Release Notes", "Third Party Advisory"], "source": "product-cna@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-552"}]}, {"type": "Secondary", "source": "product-cna@github.com", "description": [{"lang": "en", "value": "CWE-285"}]}], "descriptions": [{"lang": "en", "value": "An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.21 and was fixed in 2.20.9, 2.19.15, and 2.18.20. This vulnerability was reported via the GitHub Bug Bounty program."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad de control de acceso inapropiado en la API de GitHub Enterprise Server, que permiti\u00f3 a un miembro de la organizaci\u00f3n escalar permisos y conseguir acceso a repositorios no autorizados dentro de una organizaci\u00f3n. Esta vulnerabilidad afect\u00f3 a todas las versiones de GitHub Enterprise Server anteriores a 2.21 y fue corregida en las versiones 2.20.9, 2.19.15 y 2.18.20. Esta vulnerabilidad fue reportada por medio del programa GitHub Bug Bounty."}], "lastModified": "2020-06-05T14:38:02.673", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:github:github:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "1D3E4C5E-345B-47A7-95DE-27FA144652F7", "versionEndExcluding": "2.18.20", "versionStartIncluding": "2.18.0"}, {"criteria": "cpe:2.3:a:github:github:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "3BB3EC19-93F9-4D28-8F30-9B659CB2F3E4", "versionEndExcluding": "2.19.15", "versionStartIncluding": "2.19.0"}, {"criteria": "cpe:2.3:a:github:github:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "AE0B3224-DAA6-4EC5-B70D-4328F397511E", "versionEndExcluding": "2.20.9", "versionStartIncluding": "2.20.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-cna@github.com"}