PT-2025-18016 · Apereo · Apereo Cas
CVSS v4.0
5.1
Medium
| Vector | AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Apereo CAS version 5.2.6
Description
A vulnerability was found in Apereo CAS, affecting the function
ResponseEntity of the file ManageRegisteredServicesMultiActionController.java. The manipulation of the argument Query leads to inefficient regular expression complexity, allowing for a remote attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond.Recommendations
As a temporary workaround, consider restricting access to the
ResponseEntity function in the ManageRegisteredServicesMultiActionController.java file until a patch is available. Avoid using the Query argument in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
DoS
Resource Exhaustion
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Related Identifiers
Affected Products
Apereo Cas