CVE-2021-39884: Medium severity GitLab GitLab vulnerability

Published Oct 5, 2021
·
Updated

In all versions of GitLab EE since version 8.13, an endpoint discloses names of private groups that have access to a project to low privileged users that are part of that project.

Affected Software

6 affected components
GitLab GitLab>=8.13.0<14.1.7
GitLab GitLab>=8.13.0<14.1.7
GitLab GitLab>=14.2.0<14.2.5
GitLab GitLab>=14.2.0<14.2.5
GitLab GitLab>=14.3.0<14.3.1
GitLab GitLab>=14.3.0<14.3.1

Event History

Oct 5, 2021
CVE Published
via MITRE·12:27 PM
Data Sourced
via MITRE·12:27 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-39884?

CVE-2021-39884 has a medium severity level as it allows low privileged users to see private group names associated with a project.

2

How do I fix CVE-2021-39884?

To fix CVE-2021-39884, upgrade your GitLab installation to version 14.1.8, 14.2.6, or 14.3.2 or later.

3

Who is affected by CVE-2021-39884?

CVE-2021-39884 affects all users of GitLab EE versions from 8.13.0 up to 14.1.7, as well as certain affected versions within 14.2.x and 14.3.x.

4

What can attackers do with CVE-2021-39884?

Attackers can exploit CVE-2021-39884 to enumerate the names of private groups that have access to a project, potentially leading to information disclosure.

5

How can I determine if I am vulnerable to CVE-2021-39884?

Check if your GitLab version falls within the affected ranges specified in CVE-2021-39884 to determine vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203