CVE-2011-3297

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
1.0%
Exploitation probability in 30 days
Top 23% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: October 6, 2011 (5334 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

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 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.

CWE

CWE-287

Affected Products

cisco firewall services module softwarecisco catalyst 6500cisco catalyst 7600

References

🔗 www.cisco.com 🔗 exchange.xforce.ibmcloud.com 🔗 www.cisco.com 🔗 exchange.xforce.ibmcloud.com