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CVE-2021-22205

10, critical Known exploited Used in ransomware

GitLab Community and Enterprise Editions Remote Code Execution Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
10, critical critical CVSS v3.1
EPSS, next 30 days
100% higher than 99.9% of scored CVEs
Exploitation
Confirmed in the wild
Published
23 Apr 20215 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 3 Nov 2021 and links it to ransomware activity. US federal agencies had to remediate by 17 Nov 2021, a deadline that has passed.

Required action. Apply updates per vendor instructions.

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.

Details

Vendor
GitLab
Product
GitLab
Weakness
CWE-94 (opens in a new tab)
Status
Analyzed
Updated
6 Aug 2026
Assigner
cve@gitlab.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References 6

Exploit code 2

Advisories 2

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other GitLab CVEs

Every GitLab CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability KEV EPSS 93% 10, critical
  • CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control Vulnerability KEV EPSS 95% 9.8, critical
  • CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability KEV EPSS 36% 7.5, high
  • CVE-2021-22175 GitLab Server-Side Request Forgery (SSRF) Vulnerability KEV EPSS 53% 9.8, critical
  • CVE-2026-75871 GitLab AI Gateway Server-Side Request Forgery Vulnerability EPSS 0.3% 9.6, critical
  • CVE-2026-18252 GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1… EPSS 0.4% 8.1, high

Beyond this page

Is CVE-2021-22205 in your network?

This page tells you how dangerous CVE-2021-22205 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2021-22205 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

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    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2021-22205 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.