CVE-2018-0159 — Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability

A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.