CVE-2020-13351 Missing authorization in GitLab CE/EE
Attackers can read sensitive variable names and values from scheduled pipelines in visible projects due to insufficient permission checks.
- 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-2020-13351?
CVE-2020-13351 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 17 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for scheduled pipelines on projects visible to the attacker. Affected versions are >=13.0, <13.3.9,>=13.4.0, <13.4.5,>=13.5.0, <13.5.2.
Weakness: CWE-276
Which versions are affected by CVE-2020-13351?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | All versions | 13.5.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13351?
Upgrade gitlab to 13.5.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-13351 being exploited?
There is no known exploitation of CVE-2020-13351 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-2020-13351, GHSA-wg76-c5w5-h7xg.