CVE-2016-6423

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CVSS 3.0

6.5 medium

EPSS

1%p67

Published

Oct 5, 2016 (Oct 5, 2016)

Modified

Jun 17, 2026

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.

Vendors: cisco
Products: ios
Weakness: CWE-399
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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