CVE-2021-22205
Act now ● On CISA KEV — actively exploited used in ransomware
Actively exploited — on the CISA KEV list.
CVSS base
10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
99.7%
100.0th percentile
CISA KEV
Listed
Added 2021-11-03 · patch by 2021-11-17
Weakness / dates
CWE-94
Published 2021-04-23 · modified 2026-08-06
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2021-04-23 — Published (NVD)
- 2021-11-03 — Added to CISA KEV (actively exploited)
- 2021-11-17 — CISA patch-by deadline
- 2026-08-06 — Last modified (NVD)
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
References
- exploit http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
- exploit 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
- exploit http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html
- exploit 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