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CVE-2025-3985

Apereo CAS ResponseEntity redos

Published: Apr 27, 2025Updated: Nov 5, 2025 Sources: CVE List NVD GHSACWE-400
NVD MITRE
2.7CVSSLOW
EPSS Score
0.5%
Top 61.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-400CWE-1333

Affected Products

central authentication serviceapereo
Mixed
Cloud & SaaS / saas-application
CASApereo
Mixed
Cloud & SaaS / saas-application
org.apereo.cas:cas-management-webapp-supportMavenOSS Libraries
apereooss-projectCloud & SaaSaka opencast, central authentication service, cas, phpcas
mavenpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://vuldb.com/?ctiid.306321
vuldb.com
https://vuldb.com/?id.306321
vuldb.com
https://vuldb.com/?submit.557110
vuldb.com
and 3 more references View all →

Timeline

Published
Apr 27, 2025
Last Updated
Nov 5, 2025

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