CVE-2022-20837: Improper Check for Unusual or Exceptional Conditions

A vulnerability in the DNS application layer gateway ALG functionality that is used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a logic error that occurs when an...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-22190)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial of service vulnerability exists in the DNS Application Layer Gateway ALG feature used by Network Address Translation NAT in Cisco IOS XE. The vulnerability stems from a...