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.
packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22205.json
gitlab.com/gitlab-org/gitlab/-/issues/327121
hackerone.com/reports/1154542