Vulnerability · Published Aug 23, 2021 · Assigned by GitLab

CVE-2021-22253

Medium 4.9

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

Severity (CVSS 3.1)4.9Medium

Exploit odds (30 days)1.0%top 37.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.4, <13.12.9>=14.0, <14.0.7>=14.1, <14.1.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/323794 x_refsource_MISC
https://hackerone.com/reports/1113783 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.json x_refsource_CONFIRM