CVE-2016-6423

MEDIUM

Cisco IOS <15.5(3)M - DoS

Title source: llm

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.

Scores

CVSS v3 6.5
EPSS 0.0044
EPSS Percentile 62.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-399
Status published

Affected Products (2)

n/a/n/a
cisco/ios

Timeline

Published Oct 05, 2016
Tracked Since Feb 18, 2026