CVE-2021-22237 Auth bypass in GitLab

Medium 6.6 Published Updated

GitLab allows impersonation token users to perform Git actions even when impersonation is disabled, bypassing security controls.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-22237?

CVE-2021-22237 is a medium-severity authentication bypass vulnerability in Gitlab Gitlab, published on 25 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git actions even if impersonation is disabled. This vulnerability is present in GitLab CE/EE versions before 13.12.9, 14.0.7, 14.1.2

Weakness: CWE-384

Which versions are affected by CVE-2021-22237?

1 open source package ship an affected version, including gitlab. It affects 1 product.

PackageAffectedFixed in
gitlab BitnamiFrom 13.1.013.12.9, 14.0.7, 14.1.2

Products include Gitlab Gitlab.

How do I fix CVE-2021-22237?

Upgrade gitlab to a fixed version for your release line: 13.12.9, 14.0.7 or 14.1.2.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-22237 being exploited?

There is no known exploitation of CVE-2021-22237 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2021-22237, GHSA-p3jh-342h-w8hj, UBUNTU-CVE-2021-22237.

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