CVE-2022-20937

MEDIUM

Cisco Identity Services Engine - Unauthenticated Denial of Service via RADIUS Traffic

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.3
EPSS 0.0040
EPSS Percentile 60.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-400 CWE-410
Status published
Products (4)
cisco/identity_services_engine 2.7.0 (8 CPE variants)
cisco/identity_services_engine 3.0.0 (6 CPE variants)
cisco/identity_services_engine 3.1 (3 CPE variants)
cisco/identity_services_engine < 2.7.0
Published Nov 04, 2022
Tracked Since Feb 18, 2026