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CVE-2025-3985: Apereo CAS ResponseEntity redos

5.1 CVSS

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. Es wurde eine Schwachstelle in Apereo CAS 5.2.6 ausgemacht. Sie wurde als problematisch eingestuft. Hiervon betroffen ist die Funktion ResponseEntity der Datei cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\ManageRegisteredServicesMultiActionController.java. Durch Manipulation des Arguments Query mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-3985

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Problem Types

Inefficient Regular Expression Complexity Resource Consumption

Affected Products

Vendor: Apereo

Product: CAS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 14.33% (scored less or equal to compared to others)

EPSS Date: 2025-05-26 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3985
https://vuldb.com/?id.306321
https://vuldb.com/?ctiid.306321
https://vuldb.com/?submit.557110
https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG

Timeline