CVE-2025-20152
ISE restart
Description
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.
Weakness: CWE-125
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Identity Services Engine (ISE) Check your version | Identity / IAM / MFA | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Identity Services Engine Software
Vendor advisory
cisco-sa-ise-restart-ss-uf986G2Q
Cisco Identity Services Engine RADIUS Denial of Service Vulnerability
Cisco’s rating: High (advisory CVSS 8.6) · Published May 21, 2025
Bug ID: CSCwm04960
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from