CVE-2022-20937
MEDIUMCisco Identity Services Engine - Unauthenticated Denial of Service via RADIUS Traffic
Title source: llmDescription
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.
References (1)
Core 1
Core References
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