Vulnerability · Published Oct 5, 2021 · Assigned by GitLab

CVE-2021-22257

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 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.9%top 38.9% 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 affecting all versions starting from 14.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. The route for /user.keys is not restricted on instances with public visibility disabled. This allows user enumeration on such instances.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=14.0, <14.0.9>=14.1, <14.1.4>=14.2, <14.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/23832 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22257.json x_refsource_CONFIRM