Vulnerability · Published Oct 7, 2020 · Assigned by GitLab

CVE-2020-13346

Medium 6.5

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 71% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)1.3%top 28.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to access confidential issues through API.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=11.2, <13.2.10>=13.3.0, <13.3.7>=13.4.0, <13.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/219496 x_refsource_MISC
https://hackerone.com/reports/880863 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json x_refsource_CONFIRM