CVE-2020-10516 json
Improper access control in GitHub Enterprise Server leading to privilege escalation of organization member
published 2020-06-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-2969
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- GitHub GitHub Enterprise Server 2.18.20, 2.19.15, 2.20.9
Exploit prediction
1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- GitHub GitHub Enterprise Server
Classification
References
-
enterprise.github.com
/releases/2.20.9/notes
release-notes, third-party-advisory
-
enterprise.github.com
/releases/2.19.15/notes
release-notes, third-party-advisory
-
enterprise.github.com
/releases/2.18.20/notes
release-notes, third-party-advisory
Sources
- CVE List CVE-2020-10516
- NVD CVE-2020-10516
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