Vulnerability in GitHub Enterprise Server
CVE-2024-2440
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L.
EPSS exploit prediction
EPSS: 0.005 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- GitHub Enterprise Server — versions 3.9, 3.10, 3.11
- GitHub Enterprise Server
Weakness classification (CWE)
References
- 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)
- docs.github.com/en/enterprise-server@3.12/admin/release-notes (Release Notes)
Frequently asked questions
- What is CVE-2024-2440?
- CVE-2024-2440 is a medium-severity vulnerability in GitHub Enterprise Server, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.5/10. Published 2024-04-19.
- How severe is CVE-2024-2440?
- Medium severity. CVSS v3 base score is 5.5 out of 10.