VULNERABILITY INTELLIGENCE

CVE-2016-6423

CVSS score6.5 MEDIUM

EPSS probability1.22%

CISA KEVNot currently listed

Published2016-10-05

Last modified2026-06-17

Description

The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.