Vulnerability in GitHub Enterprise Server
CVE-2024-9487
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed resulting in unauthorized provisioning of users and access to the instance. Exploitation required the encrypted assertions feature to be enabled, and the attacker would require direct network access as well as a signed SAML response or metadata document. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.15 and was fixed in versions 3.11.16, 3.12.10, 3.13.5, and 3.14.2. This vulnerability was reported via the GitHub Bug Bounty program.
EPSS: 0.256 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Github Enterprise Server — versions 3.11.0, 3.12.0, 3.13.0
- Github Enterprise_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2024-9487?
- CVE-2024-9487 is a critical-severity vulnerability in GitHub Enterprise Server, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2024-10-10.
- How severe is CVE-2024-9487?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2024-9487 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.