Critical severity · published May 20, 2024
CVE-2024-4985
An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single sign-on authentication with the optional encrypted assertions…
9.8
CVSS
2.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Enterprise Server · GitHub
3.9.0 through 3.9.14; 3.10.0 through 3.10.11; 3.11.0 through 3.11.9; 3.12.0 through 3.12.3 · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4985
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4985
Release Notes
https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.12
Release Notes
https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.10
Release Notes
https://docs.github.com/en/enterprise-server@3.12/admin/release-notes#3.12.4
Release Notes
https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.15
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