Cisco IOS and IOS XE Software IKEv1 State Machine Denial of Service Vulnerability

Cisco IOS is the interconnected Internet operating system used on most Cisco Systems routers and network switches. A security vulnerability exists in the IKEv1 state machine of Cisco IOS and Cisco IOS XE Software. An unauthenticated, remote attacker sending spoofed IKEv1 packets to the endpoint o...

PT-2015-7250

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 15.4 through 15.6 Cisco IOS XE versions 3.15 through 3.17 Description The issue is related to the IKEv1 state machine in Cisco IOS and Cisco IOS XE Software, which allows an unauthenticated, remote attacker to tear down vali...