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CVE-2021-4191

An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 14.8.2, 14.7.4, 14.6.5
1 Metasploit module, 1 proof of concept on GitHub, 1 Nuclei template

Summary

An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.

Timeline

  1. CVE published
  2. Record last updated
  3. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • GitLab GitLab

    From 14.8 · fixed in 14.8.2; From 14.7 · fixed in 14.7.4; From 13.0 · fixed in 14.6.5

References 6

gitlab.com

hackerone.com

GitHub · rapid7/metasploit-framework

GitHub · projectdiscovery/nuclei-templates

GitHub · Adelittle/CVE-2021-4191_Exploits