CVE-2021-22259 Denial of service in GitLab
Attackers can cause denial of service in GitLab EE by exploiting lack of pagination in the dependencies API.
- 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-2021-22259?
CVE-2021-22259 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 4 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A potential DOS vulnerability was discovered in GitLab EE starting with version 12.6 due to lack of pagination in dependencies API.
Which versions are affected by CVE-2021-22259?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 12.6.0 | 14.1.7 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-22259?
Upgrade gitlab to 14.1.7 or later.
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-2021-22259 being exploited?
There is no known exploitation of CVE-2021-22259 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-2021-22259, GHSA-wrr4-j76w-2847, UBUNTU-CVE-2021-22259.