CVE-2011-3296

highpriority · track · 32EPSS 0.018 · 78 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.77% (78th) EPSS

CVSS 7.8 · high

Is it mine?

67 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (67)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco catalyst 6500all versionsnvdUScpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:*
cisco catalyst 7600all versionsnvdUScpe:2.3:h:cisco:catalyst_7600:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(10)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(11)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(12)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(13)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(14)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(15)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(16)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(17)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(18)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(19)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(2)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(20)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(3)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(4)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(5)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*
cisco firewall services module software= 3.1(6)nvdUScpe:2.3:a:cisco:firewall_services_module_software:*:*:*:*:*:*:*:*

showing 20 of 67

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-10-06modified 2026-06-16

related (3,726)

Related entries.

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A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected devi…
CVE-2018-0154US	high7.5OT critical	7.07% (94th)	KEV	2018-03-28
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+3721 more

references (6)

External citations — patches, advisories, analysis.

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