Vulnerability · Published Aug 23, 2021 · Assigned by GitLab

CVE-2021-22252

Medium 6.5

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)6.5Medium

Exploit odds (30 days)1.1%top 33.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A confusion between tag and branch names in GitLab CE/EE affecting all versions since 13.7 allowed a Developer to access protected CI variables which should only be accessible to Maintainers

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.7, <13.12.9>=14.0, <14.0.7>=14.1, <14.1.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/330364 x_refsource_MISC
https://hackerone.com/reports/1186135 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22252.json x_refsource_CONFIRM