Cisco IOS Software Internet Key Exchange Denial of Service Vulnerability

high Nessus Plugin ID 103693
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote device is missing a vendor-supplied security patch.


According to its self-reported version, the IOS is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information.


Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCvc41277.

See Also

Plugin Details

Severity: High

ID: 103693

File Name: cisco-sa-20170927-ike-ios.nasl

Version: 1.20

Type: combined

Family: CISCO

Published: 10/6/2017

Updated: 12/1/2020

Dependencies: cisco_ios_version.nasl

Risk Information

CVSS Score Source: CVE-2017-12237


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/27/2017

Vulnerability Publication Date: 9/27/2017

Reference Information

CVE: CVE-2017-12237

BID: 101037


CISCO-SA: cisco-sa-20170927-ike