CVE-2020-13310 Denial of service in GitLab
Attackers can crash the GitLab runner process by sending malformed queries, causing a denial of service for CI/CD pipelines.
- 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-2020-13310?
CVE-2020-13310 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 14 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was discovered in GitLab runner versions before 13.1.3, 13.2.3 and 13.3.1. It was possible to make the gitlab-runner process crash by sending malformed queries, resulting in a denial of service.
Which versions are affected by CVE-2020-13310?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 1.0.0 | 13.1.3, 13.2.3, 13.3.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-13310?
Upgrade gitlab to a fixed version for your release line: 13.1.3, 13.2.3 or 13.3.1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-13310 being exploited?
There is no known exploitation of CVE-2020-13310 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-2020-13310, GHSA-cfp6-wq22-gv3m, UBUNTU-CVE-2020-13310.