Vulnerability CVE-2011-3297
Published: 2011-10-06   Modified: 2012-02-13

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.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Cisco -> Firewall services module software 
Cisco -> Catalyst 6500 
Cisco -> Catalyst 7600 

 References:
http://xforce.iss.net/xforce/xfdb/70327
http://www.cisco.com/warp/public/707/cisco-sa-20111005-fwsm.shtml
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