Vulnerability · Published Jun 10, 2020 · Assigned by GitLab

CVE-2020-13270

High 7.5

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 72% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.4%top 27.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=11.3, <12.9.8>=12.10, <12.10.7>=13.0, <13.0.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/24648 x_refsource_MISC
https://hackerone.com/reports/419977 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json x_refsource_CONFIRM