Vulnerability · Published Aug 25, 2021 · Assigned by GitLab

CVE-2021-22256

Medium 5.4

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 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.7%top 45.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=12.6, <13.12.9>=14.0, <14.0.7>=14.1, <14.1.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/326948 x_refsource_MISC
https://hackerone.com/reports/1117768 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22256.json x_refsource_CONFIRM