Vulnerability · Published Apr 1, 2021 · Assigned by GitLab

CVE-2021-22177

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 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)1.2%top 31.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Potential DoS was identified in gitlab-shell in GitLab CE/EE version 12.6.0 or above, which allows an attacker to spike the server resource utilization via gitlab-shell command.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=12.6, <13.6.7>=13.7, <13.7.7>=13.8, <13.8.4

References

https://gitlab.com/gitlab-org/gitlab/-/issues/238988 x_refsource_MISC
https://hackerone.com/reports/953444 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22177.json x_refsource_CONFIRM