Vulnerability · Published Sep 29, 2020 · Assigned by GitLab

CVE-2020-13321

High 8.3

In plain English

A high-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 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)1.4%top 27.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	<12.10.13>=13.0, <13.0.8>=13.1, <13.1.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/25751 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13321.json x_refsource_CONFIRM