Vulnerability Details : CVE-2023-22381

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.
Published 2023-03-02 21:15:10
Updated 2023-03-10 20:54:50
Source GitHub, Inc. (Products Only)
View at NVD,   CVE.org

Products affected by CVE-2023-22381

Exploit prediction scoring system (EPSS) score for CVE-2023-22381

EPSS FAQ
0.16%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-22381

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST
4.1
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
0.7
3.4
 GitHub, Inc. (Products Only)

CWE ids for CVE-2023-22381

  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by:
    • nvd@nist.gov (Primary)
    • product-cna@github.com (Secondary)

References for CVE-2023-22381

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