Vulnerability · Published May 6, 2021 · Assigned by GitLab

CVE-2021-22210

Medium 5.3

In plain English

A medium-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.2%top 30.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official 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 (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.11, <13.11.2>=13.10, <13.10.4>=13.2, <13.9.7

References

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