Vulnerability · Published Aug 23, 2021 · Assigned by GitLab

CVE-2021-22251

Medium 4.3

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 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.8%top 42.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=12.2, <13.12.9>=14.0, <14.0.7>=14.1, <14.1.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/14004 x_refsource_MISC
https://hackerone.com/reports/679567 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.json x_refsource_CONFIRM