Cisco IOS Software Ethernet Connectivity Fault Management (CFM) DoS

medium Nessus Plugin ID 78918


The remote Cisco device is affected by a denial of service vulnerability.


The remote Cisco device is affected by a denial of service vulnerability due to due to improper parsing of malformed Ethernet Connectivity Fault Management (CFM) packets. A remote, unauthenticated attacker, using specially crafted CFM packets, could trigger a denial of service condition, resulting in a reload of the device.


Apply the relevant patch referenced in the Cisco Security Notice.

Alternatively, disable Ethernet Connectivity Fault Management (CFM).

See Also

Plugin Details

Severity: Medium

ID: 78918

File Name: cisco-sn-CSCuq93406-ios.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 11/7/2014

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A: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: 10/24/2013

Vulnerability Publication Date: 10/24/2014

Reference Information

CVE: CVE-2014-3409

BID: 70715