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CVE-2025-20152

Cisco Identity Services Engine - RADIUS

Cisco CVSS 8.6 Updated March 16, 2026

Executive Risk Summary

"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 and can be exploited by sending a specific authentication request to a network access device (NAD) that uses Cisco ISE for authentication, authorization, and accounting (AAA)."

Operational Audit Arsenal

Target Type System Service
Target Asset Cisco ISE
Standard Path Management Plane

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

High

Internal Work Notes

CVE-2025-20152: Cisco ISE RADIUS DoS vulnerability - potential for service disruption, requires immediate attention and patching.

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Intelligence Sources

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.