What’s Vulnerable › Vulnerabilities

CVE-2021-22205: GitLab Community and Enterprise Editions Remote Code Execution Vulnerability

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 99.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-23 · updated 2026-08-06
• Weakness: CWE-94

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were passed to a file parser which resulted in a remote command execution.

Affected products

• GitLab: from 11.9.0 before 13.8.8; from 13.9.0 before 13.9.6; from 13.10.0 before 13.10.3 — fixed in 13.10.3, 13.8.8, 13.9.6

How to fix

Upgrade to a fixed version: GitLab 13.10.3, 13.8.8, 13.9.6. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
• http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22205.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/327121
• https://hackerone.com/reports/1154542
• http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
• http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22205.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/327121
• https://hackerone.com/reports/1154542
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22205

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