CVE-2021-22203

Name: CVE-2021-22203
Creator: NVD / NIST
Published: 2021-04-02T17:15:13.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2021-22203 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7.9 before 13.8.7, all versions starting from 13.9 before 13.9.5, and all versions starting from 13.10 before 13.10.1. A specially crafted Wiki page allowed attackers to read arbitrary files on the server.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7.9 before 13.8.7, all versions starting from 13.9 before 13.9.5, and all versions starting from 13.10 before 13.10.1. A specially crafted Wiki page allowed attackers to read arbitrary files on the server.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.39%

68.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 13.7.9, < 13.8.7
Gitlab	Gitlab	>= 13.9.0, < 13.9.5
Gitlab	Gitlab	13.10.0

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22203.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/320919Exploit, Issue Tracking, Patch, Vendor Advisory
https://hackerone.com/reports/1098793Exploit, Issue Tracking, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22203.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/320919Exploit, Issue Tracking, Patch, Vendor Advisory
https://hackerone.com/reports/1098793Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22203?

How severe is CVE-2021-22203?

CVE-2021-22203 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST