CVE-2021-22240 Missing authorization in GitLab EE
Attackers can bypass user caps to create accounts via SSO in GitLab EE, potentially leading to unauthorized access or privilege escalation.
- 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-2021-22240?
CVE-2021-22240 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 5 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper access control in GitLab EE versions 13.11.6, 13.12.6, and 14.0.2 allows users to be created via single sign on despite user cap being enabled
Weakness: CWE-863
Which versions are affected by CVE-2021-22240?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.7.0 | 13.11.6, 13.12.6, 14.0.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-22240?
Upgrade gitlab to a fixed version for your release line: 13.11.6, 13.12.6 or 14.0.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-22240 being exploited?
There is no known exploitation of CVE-2021-22240 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-2021-22240, GHSA-79vw-576r-jwjv.