CVE-2017-0920 Missing authorization in GitLab Community and Enterprise Editions
An attacker can view all project names and namespaces on a GitLab instance due to an authorization bypass in the merge request creation controller.
- 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-2017-0920?
CVE-2017-0920 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 22 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an authorization bypass issue in the Projects::MergeRequests::CreationsController component resulting in an attacker to see every project name and their respective namespace on a GitLab instance.
Which versions are affected by CVE-2017-0920?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2017-0920?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-0920 being exploited?
There is no known exploitation of CVE-2017-0920 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 GHSA-vg8q-6f88-6vrh.