Title:Cisco Identity Services Engine Radius Suppression Denial of Service Vulnerability (CVE-2025-20343) Description:A vulnerability in the RADIUS setting Reject RADIUS requests from clients with repeated failures on Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause Cisco ISE to restart unexpectedly. This vulnerability is due to a logic error when processing a RADIUS access request for a MAC address that is already a rejected endpoint. An attacker could exploit this vulnerability by sending a specific sequence of multiple crafted RADIUS access request messages to Cisco ISE. A successful exploit could allow the attacker to cause a denial of service (DoS) condition when Cisco ISE restarts.
Description
CVE-2025-20343
File Snapshot
None
Shenlong Bot has cached this for you
Remarks
1. It is advised to access via the original source first.2. Local POC snapshots are reserved for subscribers — if the original source is unavailable, the local mirror is part of the paid plan.3. Mirroring, verifying, and maintaining this POC archive takes ongoing effort, so local snapshots are a paid feature. Your subscription keeps the archive online — thank you for the support. View subscription plans →