CVE-2011-3297

highpriority · track · 31EPSS 0.014 · 72 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.39% (72nd) 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 certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.

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-287USprimary

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

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+7722 more

references (6)

External citations — patches, advisories, analysis.

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