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CVE-2011-3296

Published: Oct 6, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-399
NVD MITRE
7.8CVSSHIGH
EPSS Score
1.8%
Top 24.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when IPv6 is used, allows remote attackers to cause a denial of service (memory corruption and module crash or hang) via vectors that trigger syslog message 302015, aka Bug ID CSCti83875.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
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Weaknesses

CWE-399

Affected Products

firewall services module softwarecisco
On-premNetwork Device
Networking Infrastructure / firewall
catalyst 6500cisco
On-premNetwork Device
Networking Infrastructure / router-switch
catalyst 7600cisco
On-prem
Networking Infrastructure / router-switch
n/an/a
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.

Exploitability

Official Patch Available

References

http://www.cisco.com/warp/public/707/cisco-sa-20111005-fwsm.shtml
cisco.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/70326
exchange.xforce.ibmcloud.com

Timeline

Published
Oct 6, 2011
Last Updated
Apr 29, 2026

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