CVE-2011-3297: High severity cisco firewall services module vulnerability

Published Oct 6, 2011
·
Updated

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.

Affected Software

66 affected components
Cisco Firewall Services Module Software=3.1
Cisco Firewall Services Module Software=3.1\(2\)
Cisco Firewall Services Module Software=3.1\(3\)
Cisco Firewall Services Module Software=3.1\(4\)
Cisco Firewall Services Module Software=3.1\(5\)
Cisco Firewall Services Module Software=3.1\(6\)
Cisco Firewall Services Module Software=3.1\(7\)
Cisco Firewall Services Module Software=3.1\(8\)
Cisco Firewall Services Module Software=3.1\(9\)
Cisco Firewall Services Module Software=3.1\(10\)
Cisco Firewall Services Module Software=3.1\(11\)
Cisco Firewall Services Module Software=3.1\(12\)
Cisco Firewall Services Module Software=3.1\(13\)
Cisco Firewall Services Module Software=3.1\(14\)
Cisco Firewall Services Module Software=3.1\(15\)
Cisco Firewall Services Module Software=3.1\(16\)
Cisco Firewall Services Module Software=3.1\(17\)
Cisco Firewall Services Module Software=3.1\(18\)
Cisco Firewall Services Module Software=3.1\(19\)
Cisco Firewall Services Module Software=3.1\(20\)
Cisco Firewall Services Module Software=3.2
Cisco Firewall Services Module Software=3.2\(1\)
Cisco Firewall Services Module Software=3.2\(2\)
Cisco Firewall Services Module Software=3.2\(3\)
Cisco Firewall Services Module Software=3.2\(4\)
Cisco Firewall Services Module Software=3.2\(5\)
Cisco Firewall Services Module Software=3.2\(6\)
Cisco Firewall Services Module Software=3.2\(7\)
Cisco Firewall Services Module Software=3.2\(8\)
Cisco Firewall Services Module Software=3.2\(9\)
Cisco Firewall Services Module Software=3.2\(10\)
Cisco Firewall Services Module Software=3.2\(11\)
Cisco Firewall Services Module Software=3.2\(12\)
Cisco Firewall Services Module Software=3.2\(13\)
Cisco Firewall Services Module Software=3.2\(14\)
Cisco Firewall Services Module Software=3.2\(15\)
Cisco Firewall Services Module Software=3.2\(16\)
Cisco Firewall Services Module Software=3.2\(17\)
Cisco Firewall Services Module Software=3.2\(18\)
Cisco Firewall Services Module Software=3.2\(19\)
Cisco Firewall Services Module Software=3.2\(20\)
Cisco Firewall Services Module Software=3.2\(21\)
Cisco Firewall Services Module Software=4.0
Cisco Firewall Services Module Software=4.0\(1\)
Cisco Firewall Services Module Software=4.0\(2\)
Cisco Firewall Services Module Software=4.0\(3\)
Cisco Firewall Services Module Software=4.0\(4\)
Cisco Firewall Services Module Software=4.0\(5\)
Cisco Firewall Services Module Software=4.0\(6\)
Cisco Firewall Services Module Software=4.0\(7\)
Cisco Firewall Services Module Software=4.0\(8\)
Cisco Firewall Services Module Software=4.0\(10\)
Cisco Firewall Services Module Software=4.0\(11\)
Cisco Firewall Services Module Software=4.0\(12\)
Cisco Firewall Services Module Software=4.0\(13\)
Cisco Firewall Services Module Software=4.0\(14\)
Cisco Firewall Services Module Software=4.0\(15\)
Cisco Firewall Services Module Software=4.1
Cisco Firewall Services Module Software=4.1\(1\)
Cisco Firewall Services Module Software=4.1\(2\)
Cisco Firewall Services Module Software=4.1\(3\)
Cisco Firewall Services Module Software=4.1\(4\)
Cisco Firewall Services Module Software=4.1\(5\)
Cisco Firewall Services Module Software=4.1\(6\)
Cisco Catalyst 6500
Cisco Catalyst 7600

Event History

Oct 6, 2011
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Data Sourced
10:55 AM
DescriptionWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2011-3297?

CVE-2011-3297 is classified as a medium severity vulnerability.

2

How do I fix CVE-2011-3297?

To fix CVE-2011-3297, upgrade to a fixed version of the Cisco Firewall Services Module software as specified in the vendor's advisory.

3

What does CVE-2011-3297 affect?

CVE-2011-3297 affects specific versions of the Cisco Firewall Services Module software.

4

What type of attack is CVE-2011-3297 associated with?

CVE-2011-3297 is associated with a denial of service attack leading to a module crash from excessive authentication requests.

5

When was CVE-2011-3297 discovered?

CVE-2011-3297 was disclosed on October 5, 2011.

Contact

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