cisco-sa-ise-restart-ss-uf986G2Q: Cisco Identity Services Engine RADIUS Denial of Service Vulnerability

Published May 21, 2025
·
Updated

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.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-restart-ss-uf986G2Q

Affected Software

1 affected component
Cisco Identity Services Engine

Event History

May 21, 2025
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of cisco-sa-ise-restart-ss-uf986G2Q?

The severity of cisco-sa-ise-restart-ss-uf986G2Q is classified as high due to its potential to cause denial of service.

2

How do I fix cisco-sa-ise-restart-ss-uf986G2Q?

To fix cisco-sa-ise-restart-ss-uf986G2Q, upgrade the Cisco Identity Services Engine to a patched version that addresses the vulnerability.

3

What devices are affected by cisco-sa-ise-restart-ss-uf986G2Q?

The vulnerability affects devices running Cisco Identity Services Engine (ISE).

4

Can cisco-sa-ise-restart-ss-uf986G2Q be exploited remotely?

Yes, cisco-sa-ise-restart-ss-uf986G2Q can be exploited by an unauthenticated, remote attacker.

5

What is the impact of cisco-sa-ise-restart-ss-uf986G2Q?

The impact of cisco-sa-ise-restart-ss-uf986G2Q is a denial of service condition on the affected Cisco Identity Services Engine.

Contact

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