Vulnerability · Published Nov 4, 2021 · Assigned by GitLab

CVE-2021-39905

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 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)1.0%top 37.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An information disclosure vulnerability in the GitLab CE/EE API since version 8.9.6 allows a user to see basic information on private groups that a public project has been shared with

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=8.9.6, <14.2.6

References

https://gitlab.com/gitlab-org/gitlab/-/issues/28226 x_refsource_MISC
https://hackerone.com/reports/538029 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39905.json x_refsource_CONFIRM