Cisco Catalyst 4500E Series Switch with Cisco Catalyst Supervisor Engine 7L-E Denial of Service Vulnerability (cisco-sa-20120926-ecc)

high Nessus Plugin ID 67204


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


The Catalyst 4500E series switch with Supervisor Engine 7L-E contains a denial of service (DoS) vulnerability when processing specially crafted packets that can cause a reload of the device. Cisco has released free software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are not available.


Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20120926-ecc.

See Also

Plugin Details

Severity: High

ID: 67204

File Name: cisco-sa-20120926-ecc.nasl

Version: 1.12

Type: local

Family: CISCO

Published: 7/8/2013

Updated: 5/8/2020

Supported Sensors: Nessus

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/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: 9/25/2012

Vulnerability Publication Date: 9/26/2012

Reference Information

CVE: CVE-2012-4622

BID: 55701

CISCO-SA: cisco-sa-20120926-ecc

IAVA: 2012-A-0154-S