CVE-2025-4210 Casdoor SCIM User Creation Endpoint scim.go HandleScim authorization
Attackers can bypass authorization checks in the SCIM user creation endpoint to create unauthorized users, requiring an upgrade to Casdoor.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-4210?
CVE-2025-4210 is a medium-severity missing authorization vulnerability in Casdoor, published on 2 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability classified as critical was found in Casdoor up to 1.811.0. This vulnerability affects the function HandleScim of the file controllers/scim.go of the component SCIM User Creation Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. Upgrading to version 1.812.0 is able to address this issue. The name of the patch is 3d12ac8dc2282369296c3386815c00a06c6a92fe. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2025-4210?
3 open source packages ship an affected version, including github.com/casdoor/casdoor.
| Package | Affected | Fixed in |
|---|---|---|
github.com/casdoor/casdoor Go | All versions | None |
github.com/casdoor/casdoor Go | All versions | 1.812.0 |
github.com/casdoor/casdoor Go | All versions | 1.812.0 |
How do I fix CVE-2025-4210?
Upgrade github.com/casdoor/casdoor to 1.812.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-4210 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4210 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-8w8f-h4cm-c4pg, GO-2025-3661.