Improper access control in GitHub Enterprise Server leading to the enumeration of private repository names

CVE-2020-10517
4.3MEDIUM

Key Information

Vendor
Github
Status
Github Enterprise Server
Vendor
CVE Published:
27 August 2020

Summary

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to determine the names of unauthorized private repositories given their numerical IDs. This vulnerability did not allow unauthorized access to any repository content besides the name. This vulnerability affected all versions of GitHub Enterprise Server prior to 2.22 and was fixed in versions 2.21.6, 2.20.15, and 2.19.21. This vulnerability was reported via the GitHub Bug Bounty program.

Affected Version(s)

GitHub Enterprise Server < 2.21.6

GitHub Enterprise Server < 2.20.15

GitHub Enterprise Server < 2.19.21

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database

Credit

William Bowling
.