GitHub Enterprise Server Addresses Critical Vulnerability – Here is what to know. Quick look


GitHub Enterprise Server Addresses Critical Vulnerability – Here is what to know. Quick look

GitHub, the popular platform for software development collaboration, recently patched a maximum severity authentication bypass vulnerability in its GitHub Enterprise Server (GHES). The flaw, tracked as CVE-2024-4985, affects GHES instances using SAML single sign-on (SSO) authentication.


Vulnerability Details of GitHub Vulnerability

The vulnerability, with a CVSS score of 10, impacts the SAML SSO authentication method in GHES. Specifically, it affects instances using the optional encrypted assertions feature. Other authentication methods remain unaffected. Exploiting this flaw involves forging a SAML response to provision and gain site administrator privileges.

Impact and Risks

Successful exploitation of this vulnerability allows an attacker to gain unauthorized access to the GHES instance without prior authentication. The impact on confidentiality, integrity, and availability is significant. Organizations using affected versions of GHES should take immediate action to mitigate the risk.

Recommended Actions by GitHub

  1. Patch: GitHub has released fixes for this vulnerability in versions 3.9.15, 3.10.12, 3.11.10, and 3.12.4. Organizations should promptly update their GHES instances to these versions after thorough testing.
  2. Monitor/Detect: Organizations are advised to enhance monitoring and detection capabilities to identify any suspicious activity related to this vulnerability. Swift response is crucial in case of an intrusion.


GitHub’s swift response in addressing this critical vulnerability underscores the importance of timely security updates. Organizations using GHES should prioritize patching and monitoring to safeguard their systems and data.

For more information, refer to the official GitHub advisory

Remember, staying vigilant and proactive in addressing security vulnerabilities is essential for maintaining a secure software development environment.

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