SB2022110273 - Denial of service in Cisco Identity Services Engine (ISE)



SB2022110273 - Denial of service in Cisco Identity Services Engine (ISE)

Published: November 2, 2022

Security Bulletin ID SB2022110273
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2022-20937)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in a feature that monitors RADIUS requests. A remote attacker can send specially crafted RADIUS traffic, trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.