CVE-2021-22864: vulnerability in GitHub Enterprise Server
Unsafe configuration options in GitHub Pages leading to remote code execution on GitHub Enterprise Server
Published · Updated
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3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.6%
A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration options used by GitHub Pages were not sufficiently restricted and made it possible to override environment variables leading to code execution on the GitHub Enterprise Server instance. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.0.3 and was fixed in 3.0.3, 2.22.9, and 2.21.17. This vulnerability was reported via the GitHub Bug Bounty program.
Affected products
GitHub · GitHub Enterprise ServerRelated CVEs — GitHub Enterprise Server
In the same product, most dangerous first.
CVE-2020-10518—Unsafe configuration options in GitHub Pages leading to remote code execution on GitHub Enterprise ServerEPSS 3.7%CVE-2020-10519—Unsafe configuration options in GitHub Pages leading to remote code execution on GitHub Enterprise ServerEPSS 3.1%CVE-2022-23734HIGHDeserialization of Untrusted Data vulnerability in GitHub Enterprise Server leading to Remote Code ExecutionEPSS 2.8%CVE-2021-41599—Improper control flow in GitHub Enterprise Server hosted Pages leads to remote code executionEPSS 2.2%CVE-2022-46256HIGHPath traversal in GitHub Enterprise Server leading to remote code execution in GitHub PagesEPSS 2.1%CVE-2024-2443CRITICALImproper input validation vulnerability was identified in GitHub Enterprise Server that allowed privilege escalation in the Management ConsoleEPSS 2.1%