CVE-2023-22381

high

Description

A code injection vulnerability was identified in GitHub Enterprise Server that allowed setting arbitrary environment variables from a single environment variable value in GitHub Actions when using a Windows based runner. To exploit this vulnerability, an attacker would need existing permission to control the value of environment variables for use with GitHub Actions. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.8.0 and was fixed in versions 3.4.15, 3.5.12, 3.6.8, 3.7.5. This vulnerability was reported via the GitHub Bug Bounty program.

References

https://docs.github.com/en/[email protected]/admin/release-notes

https://docs.github.com/en/[email protected]/admin/release-notes#3.7.5

https://docs.github.com/en/[email protected]/admin/release-notes#3.6.8

https://docs.github.com/en/[email protected]/admin/release-notes#3.5.12

https://docs.github.com/en/[email protected]/admin/release-notes#3.4.15

Details

Source: Mitre, NVD

Published: 2023-03-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00111