CVE-2021-39892 Information disclosure in GitLab

Medium 4.3 Published Updated

A lower privileged user can import users from unauthorized projects to disclose their email addresses.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-39892?

CVE-2021-39892 is a medium-severity vulnerability in Gitlab Gitlab, published on 18 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In all versions of GitLab CE/EE since version 12.0, a lower privileged user can import users from projects that they don't have a maintainer role on and disclose email addresses of those users.

Which versions are affected by CVE-2021-39892?

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

PackageAffectedFixed in
gitlab BitnamiFrom 12.0.014.1.7, 14.2.5, 14.3.1

Products include Gitlab Gitlab.

How do I fix CVE-2021-39892?

Upgrade gitlab to a fixed version for your release line: 14.1.7, 14.2.5 or 14.3.1.

Is CVE-2021-39892 being exploited?

There is no known exploitation of CVE-2021-39892 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2021-39892, GHSA-r8rw-g922-j95j, UBUNTU-CVE-2021-39892.

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