Vulnerability · Published Oct 5, 2021 · Assigned by GitLab

CVE-2021-39870

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 38.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In all versions of GitLab CE/EE since version 11.11, an instance that has the setting to disable Repo by URL import enabled is bypassed by an attacker making a crafted API call.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=11.11, <14.1.7>=14.2, <14.2.5>=14.3, <14.3.1

References

https://hackerone.com/reports/630263 x_refsource_MISC
https://gitlab.com/gitlab-org/gitlab/-/issues/29748 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39870.json x_refsource_CONFIRM