Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Github | Enterprise Server | < 3.0.19 |
Related Weaknesses (CWE)
References
- https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.19
- https://docs.github.com/en/enterprise-server%403.1/admin/release-notes#3.1.11
- https://docs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.3
- https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.19
- https://docs.github.com/en/enterprise-server%403.1/admin/release-notes#3.1.11
- https://docs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.3
FAQ
What is CVE-2021-22870?
CVE-2021-22870 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 nee...
How severe is CVE-2021-22870?
CVE-2021-22870 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22870?
Check the references section above for vendor advisories and patch information. Affected products include: Github Enterprise Server.