CVE-2009-0638 json
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 switch…
published 2009-08-20 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0641
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
cisco.com
/en/US/products/products_security_advisory09186a0080af0d1d.shtml
vendor-advisory, patch
-
securityfocus.com
/bid/36085
vdb-entry, patch
-
secunia.com
/advisories/36373
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2009/2329
vdb-entry, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/52591
vdb-entry
-
securitytracker.com
/id?1022747
vdb-entry
Sources
- CVE List CVE-2009-0638
- NVD CVE-2009-0638
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.