Auth bypass in GitHub
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- GitHub
- GitHub Enterprise Server — versions 2.20, 2.19, 2.18
Weakness classification (CWE)
References
- enterprise.github.com/releases/2.20.9/notes (Third Party Advisory, Release Notes)
- enterprise.github.com/releases/2.19.15/notes (Third Party Advisory, Release Notes)
- enterprise.github.com/releases/2.18.20/notes (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2020-10516?
- CVE-2020-10516 is a critical-severity vulnerability in GitHub, classified under Improper Authorization. CVSS score: 9.8/10. Published 2020-06-03.
- How severe is CVE-2020-10516?
- Critical severity. CVSS v3 base score is 9.8 out of 10.