CVE-2024-6800

CRITICAL
INFO Priority: 0.15 BB Relevance: 69/100
Published: 2024-08-20 Modified: 2026-11-04 First seen: 2026-11-03 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: X
AT: Present
VC: High
VI: High
VA: Low

Description

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.

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

9.5 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/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:U/V:C/RE:H/U:Red

EPSS — Exploitation Probability

1.53%
Raw Score 0.015270
Percentile 74.8%
Date 2026-11-06

EPSS Trend

2026-11-06
0.01527
2026-11-05
0.01527
2026-11-04
0.01527
2026-11-03
0.01527

Intelligence Sources

mitre ref →
nvd ref →