Vulnerability · Published Jan 21, 2025 · Assigned by GitHub_P
CVE-2025-23369Improper Verification of Cryptographic Signature in GitHub Enterprise Server Allows Signature Spoofing by Improper Validation
High 7.6
In plain English
A high-severity security flaw in Enterprise Server from GitHub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users. Instances not utilizing SAML single sign-on or where the attacker is not already an existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GitHub | Enterprise Server | 3.12.0 – through 3.12.133.13.0 – through 3.13.93.14.0 – through 3.14.63.15.0 – through 3.15.1 |
Weakness: CWE-347 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
References
- https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.14
- https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.10
- https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.7
- https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.2