Vulnerability · Published Oct 5, 2021 · Assigned by GitLab

CVE-2021-39893

Medium 5.3

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 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.3%top 30.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=9.1, <14.1.7>=14.2, <14.2.5>=14.3, <14.3.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/340076 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json x_refsource_CONFIRM