A vulnerability in a feature that monitors RADIUS requests on Cisco Identity Services Engine (ISE) Software could allow an unauthenticated, remote attacker to negatively affect the performance of an affected device. This vulnerability is due to insufficient management of system resources. An attacker could exploit this vulnerability by taking actions that cause Cisco ISE Software to receive specific RADIUS traffic. A successful and sustained exploit of this vulnerability could allow the attacker to cause reduced performance of the affected device, resulting in significant delays to RADIUS authentications. There are workarounds that address this vulnerability.

According to its self-reported version, Cisco Identity Services Engine Software is affected by a resource exhaustion vulnerability due to insufficient management of system resources. An unauthenticated, remote attacker can exploit this to delay RADIUS authentications.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Detections

Analytics

CVE-2022-20937

medium

Tenable Plugins

medium