Vulnerability · Published Oct 7, 2020 · Assigned by GitLab

CVE-2020-13335

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 43.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Improper group membership validation when deleting a user account in GitLab >=7.12 allows a user to delete own account without deleting/transferring their group.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=7.12, <13.2.10>=13.3.0, <13.3.7>=13.4.0, <13.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/27231 x_refsource_MISC
https://hackerone.com/reports/503823 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13335.json x_refsource_CONFIRM