Executive Summary

Title Firewall Services Module Crafted ICMP Message Vulnerability
Name cisco-sa-20090819-fwsm First vendor Publication 2009-06-15
Vendor Cisco Last vendor Modification 2009-08-19
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


A vulnerability exists in the Cisco Firewall Services Module (FWSM) for the Catalyst 6500 Series Switches and Cisco 7600 Series Routers. The vulnerability may cause the FWSM to stop forwarding traffic and may be triggered while processing multiple, crafted ICMP messages.

There are no known instances of intentional exploitation of this vulnerability. However, Cisco has observed data streams that appear to trigger this vulnerability unintentionally.

Cisco has released free software updates that address this vulnerability.

Original Source

Url : http://www.cisco.com/en/US/products/products_security_advisory09186a0080af (...)

CPE : Common Platform Enumeration

Hardware 14

Open Source Vulnerability Database (OSVDB)

Id Description
57257 Cisco Firewall Services Module (FWSM) Malformed ICMP Packet Handling Remote DoS

Cisco FWSM on Cisco 6500 and 7500 devices contains a flaw that may allow a denial of service. The issue is triggered when specially crafted ICMP cause the network processor to stop working. This will result in loss of availability for management traffic.

Information Assurance Vulnerability Management (IAVM)

Date Description
2009-08-27 IAVM : 2009-B-0040 - Cisco Firewall Services Module Denial of Service Vulnerability
Severity : Category I - VMSKEY : V0019892

Nessus® Vulnerability Scanner

Date Description
2013-09-17 Name : The remote device is missing a vendor-supplied security update.
File : cisco-sa-20090819-fwsm.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
Date Informations
2014-02-17 10:21:56
  • Multiple Updates
2013-11-11 12:37:28
  • Multiple Updates