Vulnerability · Published Oct 7, 2020 · Assigned by GitLab

CVE-2020-13334

Medium 5.9

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 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)1.5%top 25.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=8.6, <13.2.10>=13.3.0, <13.3.7>=13.4.0, <13.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/195327 x_refsource_MISC
https://hackerone.com/reports/762271 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13334.json x_refsource_CONFIRM