SB2022092919 - Denial of service in Cisco IOS and IOS XE Software



SB2022092919 - Denial of service in Cisco IOS and IOS XE Software

Published: September 29, 2022

Security Bulletin ID SB2022092919
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Uncaught Exception (CVE-ID: CVE-2022-20919)

CWE-ID: CWE-248 - Uncaught Exception

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


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

The vulnerability exists due to insufficient input validation during processing of Common Industrial Protocol (CIP) packets. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.