Vulnerability · Published Feb 17, 2022 · Assigned by GitHub_P

CVE-2021-41599Improper control flow in GitHub Enterprise Server hosted Pages leads to remote code execution

High 8.8

In plain English

A high-severity command injection in GitHub Enterprise Server from GitHub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).

Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.2%top 17.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. 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 3.0.21, 3.1.13, 3.2.5. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products (as reported)

VendorProductVersions
GitHub GitHub Enterprise Server 3.0 – before 3.0.213.1 – before 3.1.133.2 – before 3.2.5

Weakness: CWE-77

References