CVE-2021-22245 Denial of service in GitLab
An attacker can make project pages unviewable in GitLab by exploiting improper validation of commit authors.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-22245?
CVE-2021-22245 is a low-severity denial of service vulnerability in Gitlab Gitlab, published on 25 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper validation of commit author in GitLab CE/EE affecting all versions allowed an attacker to make several pages in a project impossible to view
Weakness: CWE-20
Which versions are affected by CVE-2021-22245?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | All versions | 13.12.9, 14.0.7, 14.1.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-22245?
Upgrade gitlab to a fixed version for your release line: 13.12.9, 14.0.7 or 14.1.2.
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-2021-22245 being exploited?
There is no known exploitation of CVE-2021-22245 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-2021-22245, GHSA-7rmh-fw46-g93m, UBUNTU-CVE-2021-22245.