Vulnerability · Published Dec 13, 2021 · Assigned by GitLab

CVE-2021-39931

Low 3.1

In plain English

A low-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 59% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.9%top 40.5% 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 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.

Affected products (as reported)

VendorProductVersions
GitLab GitLab >=8.11, <14.3.6>=14.4, <14.4.4>=14.5, <14.5.2

References