CVE-2016-6423

6.5 MEDIUM

Published: October 05, 2016 Modified: May 06, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev

Source: psirt@cisco.com

Vendor Advisory

http://www.securityfocus.com/bid/93411

Source: psirt@cisco.com

http://www.securitytracker.com/id/1036955

Source: psirt@cisco.com

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://www.securityfocus.com/bid/93411

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securitytracker.com/id/1036955

Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.5 / 10.0

EPSS (Exploit Probability)

0.4%

63th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

cisco

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