Vulnerability in GitHub Enterprise Server
CVE-2023-6690
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (23.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- GitHub Enterprise Server — versions 3.8, 3.9, 3.10
- GitHub Enterprise Server — versions 3.11.0
Weakness classification (CWE)
References
- 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-2023-6690?
- CVE-2023-6690 is a low-severity vulnerability in GitHub Enterprise Server, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 3.9/10. Published 2023-12-21.
- How severe is CVE-2023-6690?
- Low severity. CVSS v3 base score is 3.9 out of 10.