CVE-2009-0638

Name: CVE-2009-0638
Creator: NVD / NIST
Published: 2009-08-21T11:02:41.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.85%

Last modified Jun 16, 2026

CVE-2009-0638 is a vulnerability of currently unknown severity. The Cisco Firewall Services Module (FWSM) 2.x, 3.1 before 3.1(16), 3.2 before 3.2(13), and 4.0 before 4.0(6) for Cisco Catalyst 6500 switches and Cisco 7600 routers allows remote attackers to cause a denial of service (traffic-handling outage) via a series of malformed ICMP messages.. EPSS estimates a 2.85% chance of exploitation in the next 30 days.

Description

The Cisco Firewall Services Module (FWSM) 2.x, 3.1 before 3.1(16), 3.2 before 3.2(13), and 4.0 before 4.0(6) for Cisco Catalyst 6500 switches and Cisco 7600 routers allows remote attackers to cause a denial of service (traffic-handling outage) via a series of malformed ICMP messages.

Metrics

EPSS Probability

2.85%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Firewall Services Module	2.1_\(0.208\)
Cisco	Firewall Services Module	2.2
Cisco	Firewall Services Module	2.2\(1\)
Cisco	Firewall Services Module	2.3
Cisco	Firewall Services Module	2.3\(1\)
Cisco	Firewall Services Module	3.1
Cisco	Firewall Services Module	3.1\(5\)
Cisco	Firewall Services Module	3.1\(6\)
Cisco	Firewall Services Module	3.2
Cisco	Firewall Services Module	3.2\(1\)
Cisco	Firewall Services Module	3.2\(2\)
Cisco	Firewall Services Module	3.2\(3\)
Cisco	Firewall Services Module	4.0
Cisco	Firewall Services Module	4.0\(4\)

References

http://secunia.com/advisories/36373Vendor Advisory
http://securitytracker.com/id?1022747
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af0d1d.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/36085Patch
http://www.vupen.com/english/advisories/2009/2329Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52591
http://secunia.com/advisories/36373Vendor Advisory
http://securitytracker.com/id?1022747
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af0d1d.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/36085Patch
http://www.vupen.com/english/advisories/2009/2329Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52591

Timeline

Published: Aug 21, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0638?

How severe is CVE-2009-0638?

Severity scoring for CVE-2009-0638 is pending analysis. The EPSS model estimates a 2.85% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0638?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST