Vulnerability · Published May 20, 2024 · Assigned by GitHub_P

CVE-2024-4985

Critical 10.0

In plain English

A critical-severity security flaw in Enterprise Server from GitHub. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities).

Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)2.6%top 14.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single sign-on authentication with the optional encrypted assertions feature. This vulnerability allowed an attacker 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 3.13.0 and was fixed in versions 3.9.15, 3.10.12, 3.11.10 and 3.12.4. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products (as reported)

VendorProductVersions
GitHub Enterprise Server 3.9.0 – through 3.9.143.10.0 – through 3.10.113.11.0 – through 3.11.93.12.0 – through 3.12.3

Weakness: CWE-303 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/R:U/V:C/RE:M/U:Red

References