CVE-2020-10517

low-risk
Published 2020-08-27

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.

Do I need to act?

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0.21% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Github

Affected Vendors

Github

References (6)

Release Notes https://enterprise.github.com/releases/2.19.21/notes
Release Notes https://enterprise.github.com/releases/2.20.15/notes
Release Notes https://enterprise.github.com/releases/2.21.6/notes
Release Notes https://enterprise.github.com/releases/2.19.21/notes
Release Notes https://enterprise.github.com/releases/2.20.15/notes
Release Notes https://enterprise.github.com/releases/2.21.6/notes
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal