Vulnerability · Published Aug 5, 2021 · Assigned by GitLab

CVE-2021-22241

High 8.7

In plain English

A high-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 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)1.0%top 37.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=14.1, <14.1.2>=14.0, <14.0.7

References

https://gitlab.com/gitlab-org/gitlab/-/issues/336460 x_refsource_MISC
https://hackerone.com/reports/1256777 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json x_refsource_CONFIRM