CVE-2021-39915 Information disclosure in GitLab
An attacker can view project access token names on arbitrary projects via the GraphQL API due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-39915?
CVE-2021-39915 is a medium-severity vulnerability in Gitlab Gitlab, published on 13 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper access control in the GraphQL API in GitLab CE/EE affecting all versions starting from 13.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to see the names of project access tokens on arbitrary projects
Weakness: CWE-668
Which versions are affected by CVE-2021-39915?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.0.0 | 14.3.6, 14.4.4, 14.5.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-39915?
Upgrade gitlab to a fixed version for your release line: 14.3.6, 14.4.4 or 14.5.2.
Is CVE-2021-39915 being exploited?
There is no known exploitation of CVE-2021-39915 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2021-39915, GHSA-v4qw-4358-7wh4, UBUNTU-CVE-2021-39915.