CVE-2021-22210

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-06 · updated 2026-06-17
Weakness: CWE-770

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2. When querying the repository branches through API, GitLab was ignoring a query parameter and returning a considerable amount of results.

Affected products

GitLab: from 13.2.0 before 13.9.7; from 13.10.0 before 13.10.4; from 13.11.0 before 13.11.2 — fixed in 13.10.4, 13.11.2, 13.9.7

How to fix

Upgrade to a fixed version: GitLab 13.10.4, 13.11.2, 13.9.7. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22210.json
https://gitlab.com/gitlab-org/gitlab/-/issues/322500
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22210.json
https://gitlab.com/gitlab-org/gitlab/-/issues/322500

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