CVE-2021-22187 Denial of service in GitLab
Attackers can cause resource exhaustion by keeping jobs running after project deletion, impacting GitLab availability.
- 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-2021-22187?
CVE-2021-22187 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 2 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue has been discovered in GitLab affecting all versions of Gitlab EE/CE before 13.6.7. A potential resource exhaustion issue that allowed running or pending jobs to continue even after project was deleted.
Weakness: CWE-400
Which versions are affected by CVE-2021-22187?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | All versions | 13.6.7, 13.7.7, 13.8.4 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-22187?
Upgrade gitlab to a fixed version for your release line: 13.6.7, 13.7.7 or 13.8.4.
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-2021-22187 being exploited?
There is no known exploitation of CVE-2021-22187 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-2021-22187, GHSA-jx85-pcwq-c9wc, UBUNTU-CVE-2021-22187.