CVE-2025-3985

Public Exploit
Apereo CAS ResponseEntity redos

Description

A vulnerability was found in Apereo CAS 5.2.6. It has been classified as problematic. This affects the function ResponseEntity of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\ManageRegisteredServicesMultiActionController.java. The manipulation of the argument Query leads to inefficient regular expression complexity. It is possible to initiate the attack remotely. 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.

Category

5.1
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory vuldb.com
Affected: Apereo CAS
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.306321 vdb entry technical description
https://vuldb.com/?ctiid.306321 signature permissions required
https://vuldb.com/?submit.557110 third party advisory
https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG exploit

Frequently Asked Questions

What is the severity of CVE-2025-3985?
CVE-2025-3985 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3985?
To fix CVE-2025-3985, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3985 being actively exploited in the wild?
It is possible that CVE-2025-3985 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3985?
CVE-2025-3985 affects Apereo CAS.
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