CVE-2024-6800

moderate-risk
Published 2024-08-20

An XML signature wrapping vulnerability was present in GitHub Enterprise Server (GHES) when using SAML authentication with specific identity providers utilizing publicly exposed signed federation metadata XML. This vulnerability allowed an attacker with direct network access to GitHub Enterprise Server to forge a SAML response to provision and/or gain access to a user with site administrator privileges. Exploitation of this vulnerability would allow unauthorized access to the instance without requiring prior authentication. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.13.3, 3.12.8, 3.11.14, and 3.10.16. This vulnerability was reported via the GitHub Bug Bounty program.

Do I need to act?

~
3.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Github

References (4)

Release Notes https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.16
Release Notes https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.14
Release Notes https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.8
Release Notes https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.3
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal