Auth bypass in GitHub Enterprise Server
CVE-2023-51379
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed issue comments to be updated with an improperly scoped token. This vulnerability did not allow unauthorized access to any repository content as it also required contents:write and issues:read permissions. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.17.19, 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GitHub Enterprise Server — versions 3.7.0, 3.8.0, 3.9.0
- GitHub Enterprise Server — versions 3.11.0
Weakness classification (CWE)
References
- docs.github.com/en/enterprise-server@3.7/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.8/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.9/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.10/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.11/admin/release-notes (Release Notes)
Frequently asked questions
- What is CVE-2023-51379?
- CVE-2023-51379 is a medium-severity vulnerability in GitHub Enterprise Server, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2023-12-21.
- How severe is CVE-2023-51379?
- Medium severity. CVSS v3 base score is 4.9 out of 10.