CVE-2025-23369: github enterprise_server
Vulnerability summary
CVE-2025-23369 is a high (CVSS 8.8) vulnerability in github enterprise_server. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 75.7% of scored vulnerabilities.
Timeline
- 21-01-2025PublishedVulnerability first disclosed.
- 12-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.6HighCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
1.62%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
+0.01 pp
From 1.61% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github1 product
- enterprise_server≥ 3.12.0, ≤ 3.12.13 | ≥ 3.13.0, ≤ 3.13.9 | ≥ 3.14.0, ≤ 3.14.6 | ≥ 3.15.0, ≤ 3.15.1 | < 3.12.14 | ≥ 3.13.0, < 3.13.10 | ≥ 3.14.0, < 3.14.7 | ≥ 3.15.0, < 3.15.2
1 vendor · 1 product