CVE-2023-1733 Denial of service in GitLab
A denial of service vulnerability in the bundled Prometheus server allows attackers to disrupt GitLab availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-1733?
CVE-2023-1733 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 5 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service condition exists in the Prometheus server bundled with GitLab affecting all versions from 11.10 to 15.8.5, 15.9 to 15.9.4 and 15.10 to 15.10.1.
Weakness: CWE-400
Which versions are affected by CVE-2023-1733?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 11.10.0 | 15.8.5, 15.9.4, 15.10.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-1733?
Upgrade gitlab to a fixed version for your release line: 15.8.5, 15.9.4 or 15.10.1.
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-2023-1733 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1733 exists.
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-2023-1733, GHSA-jc5r-hf66-vmm4, UBUNTU-CVE-2023-1733.