Cisco IOS IKE Module DoS

medium Nessus Plugin ID 73736
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.


The Cisco Internet Key Exchange (IKE) module has a denial of service vulnerability. According to its self-reported IOS version, the remote device may be affected by this vulnerability. The IKE module does not handle specially crafted main mode packets and can allow established IKE security associations to be damaged.


Contact Cisco for updated software.

See Also

Plugin Details

Severity: Medium

ID: 73736

File Name: cisco_ios_CSCun31021.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 4/28/2014

Updated: 11/26/2019

Dependencies: cisco_ios_version.nasl

Risk Information

CVSS Score Source: CVE-2014-2143


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/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: 4/3/2014

Vulnerability Publication Date: 4/3/2014

Reference Information

CVE: CVE-2014-2143

BID: 66628