VULNERABILITY INTELLIGENCE
CVE-2021-22870
CVSS score6.5 MEDIUM
EPSS probability1.13%
CISA KEVNot currently listed
Published2021-11-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. 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 3.3 and was fixed in versions 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.
Weakness classification
- product-cna@github.com: CWE-23
- nvd@nist.gov: CWE-22