Vulnerability · Published Oct 11, 2021 · Assigned by GitLab

CVE-2021-22263

Medium 5.5

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 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)1.1%top 34.3% 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 affecting all versions starting from 13.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. A user account with 'external' status which is granted 'Maintainer' role on any project on the GitLab instance where 'project tokens' are allowed may elevate its privilege to 'Internal' and access Internal projects.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.0, <14.0.9>=14.1, <14.1.4>=14.2, <14.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/331473 x_refsource_MISC
https://hackerone.com/reports/1193062 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22263.json x_refsource_CONFIRM