CVE-2025-3986

A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\core\cas-server-core-configuration-metadata-repository\src\main\java\org\apereo\cas\metadata\rest\CasConfigurationMetadataServerController.java. The manipulation of the argument Name leads to inefficient regular expression complexity. The attack can be initiated 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 v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://vuldb.com/?ctiid.306322	Permissions Required VDB Entry
https://vuldb.com/?id.306322	Third Party Advisory VDB Entry
https://vuldb.com/?submit.557473	Third Party Advisory VDB Entry
https://wx.mail.qq.com/s?k=rk-m8GwRMVMcOjBY1a	Not Applicable

Configurations

Configuration 1 (hide)

cpe:2.3:a:apereo:central_authentication_service:5.2.6:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-04-27 21:15

Updated : 2025-11-05 21:37

NVD link : CVE-2025-3986

Mitre link : CVE-2025-3986

CVE.ORG link : CVE-2025-3986

JSON object : View

Products Affected

apereo

central_authentication_service

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-1333

Inefficient Regular Expression Complexity

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It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. The manipulation of the argument Name leads to inefficient regular expression complexity. The attack can be initiated 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."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Apereo CAS 5.2.6. Se ha declarado problem\u00e1tica. Esta vulnerabilidad afecta al c\u00f3digo desconocido del archivo cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. La manipulaci\u00f3n del argumento Name genera una complejidad ineficiente en las expresiones regulares. El ataque puede iniciarse remotamente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n para informarle sobre esta divulgaci\u00f3n, pero no respondi\u00f3."}], "lastModified": "2025-11-05T21:37:00.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apereo:central_authentication_service:5.2.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B931D92F-3BB5-477B-9DB2-FBEFB0AF7A69"}], "operator": "OR"}]}], "sourceIdentifier": "cna@vuldb.com"}