Unrated severityNVD Advisory· Published Aug 21, 2009· Updated Jun 16, 2026
CVE-2009-0638
CVE-2009-0638
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15cpe:2.3:h:cisco:firewall_services_module:2.1_\(0.208\):*:*:*:*:*:*:*+ 14 more
- cpe:2.3:h:cisco:firewall_services_module:2.1_\(0.208\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:2.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:2.2\(1\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:2.3:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:2.3\(1\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.1\(5\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.1\(6\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.2\(1\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.2\(2\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:3.2\(3\):*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:4.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:firewall_services_module:4.0\(4\):*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
6- www.cisco.com/en/US/products/products_security_advisory09186a0080af0d1d.shtmlnvdPatchVendor Advisory
- www.securityfocus.com/bid/36085nvdPatch
- secunia.com/advisories/36373nvdVendor Advisory
- www.vupen.com/english/advisories/2009/2329nvdVendor Advisory
- securitytracker.com/idnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/52591nvd
News mentions
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