Vulnerability Details CVE-2025-20152
A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a specific authentication request to a network access device (NAD) that uses Cisco ISE for authentication, authorization, and accounting (AAA). A successful exploit could allow the attacker to cause Cisco ISE to reload.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.4%
CVSS Severity
CVSS v3 Score 8.6
Products affected by CVE-2025-20152
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cpe:2.3:a:cisco:identity_services_engine:3.4.0