Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-3986
CVE-2025-3986:
Java vulnerability analysis and mitigation
Overview
A vulnerability (CVE-2025-3986) was discovered in Apereo CAS version 5.2.6, specifically affecting the CasConfigurationMetadataServerController.java file within the cas-server-core-configuration-metadata-repository component. The vulnerability was disclosed on April 26, 2025, and involves inefficient regular expression complexity that can be triggered through the manipulation of the 'Name' argument (VulDB, NVD).
Technical details
The vulnerability is classified under CWE-1333 (Inefficient Regular Expression Complexity) and CWE-400 (Uncontrolled Resource Consumption). It has received a CVSS v3.1 Base Score of 4.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L. The vulnerability can be exploited remotely and requires low attack complexity with low privileges (VulDB, NVD).
Impact
The primary impact of this vulnerability is on system availability through inefficient regular expression processing. When exploited, it can lead to excessive CPU cycle consumption, potentially resulting in a denial of service condition (VulDB).
Mitigation and workarounds
No specific mitigation strategies or official patches have been published. The current recommendation is to consider replacing the affected component with an alternative product (VulDB).
Additional resources
Source: This report was generated using AI
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