CVE-2020-13357 Missing authorization in GitLab CE/EE
An unauthorized user can access the user list associated with a feature flag in a GitLab project, exposing sensitive user information.
- 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-2020-13357?
CVE-2020-13357 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 11 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2 allowed an unauthorized user to access the user list corresponding to a feature flag in a project.
Weakness: CWE-639
Which versions are affected by CVE-2020-13357?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.1.0 | 13.4.7, 13.5.5, 13.6.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13357?
Upgrade gitlab to a fixed version for your release line: 13.4.7, 13.5.5 or 13.6.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-13357 being exploited?
There is no known exploitation of CVE-2020-13357 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-2020-13357, GHSA-q477-jxcv-9pxw, UBUNTU-CVE-2020-13357.