Is CVE-2025-3984 actively exploited?

No active exploitation of CVE-2025-3984 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-3984 be exploited remotely?

Yes. CVE-2025-3984 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-3984?

CVE-2025-3984 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2025-3984

HIGH

CVE-2025-3984

CWE-74Published: April 27, 2025· Updated: Jun 17, 2026

7.5

CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2025-3984 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.