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Vulnerability record · CVE-2024-4985 · published 20 May 2024

CVE-2024-4985: Github enterprise server vulnerability

Github · Enterprise Server

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.

10.0 CVSS 4.0 Critical EPSS 2.6% · top 15.4% CWE-303 · CWE-303
10.0CVSS 4.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.github.com/en/[email protected]/admin/release-notes#3.10.12 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.11.10 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.12.4 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.9.15 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.10.12 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.11.10 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.12.4 Release Notes
https://docs.github.com/en/[email protected]/admin/release-notes#3.9.15 Release Notes

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-4985), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.