CVE-2025-3984 Apereo CAS Groovy Code RegisteredServiceSimpleFormController.java saveService code injection
Remote attackers with permissions can execute arbitrary code via Groovy injection in the saveService function of Apereo CAS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3984?
CVE-2025-3984 is a low-severity code injection vulnerability in Apereo CAS, published on 27 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java of the component Groovy Code Handler. The manipulation leads to code injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-3984?
2 open source packages ship an affected version, including org.apereo.cas:cas-management-webapp-support. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apereo.cas:cas-management-webapp-support Maven | All versions to 5.2.6 | None |
org.apereo.cas:cas-management-webapp-support Maven | All versions to 5.2.6 | None |
Products include Apereo Central Authentication Service.
How do I fix CVE-2025-3984?
No fix has been published for CVE-2025-3984 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-3984 being exploited?
There is no known exploitation of CVE-2025-3984 in the wild and no public exploit code.
Other vulnerabilities in Apereo CAS
Sources
Also known as GHSA-37pq-893f-g7q5.