PT-2011-4375 · Cisco · Cisco Firewall Services Module

Published 2011-10-06 · Updated 2017-08-29 · CVE-2011-3297

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco Firewall Services Module (aka FWSM) versions 3.1 through 3.1(20) Cisco Firewall Services Module (aka FWSM) versions 3.2 through 3.2(21) Cisco Firewall Services Module (aka FWSM) versions 4.0 through 4.0(15) Cisco Firewall Services Module (aka FWSM) versions 4.1 through 4.1(6)

Description The issue allows remote attackers to cause a denial of service by making many authentication requests for network access when certain authentication configurations are used. This can result in a module crash.

Recommendations For versions 3.1 through 3.1(20), update to version 3.1(21) or later. For versions 3.2 through 3.2(21), update to version 3.2(22) or later. For versions 4.0 through 4.0(15), update to version 4.0(16) or later. For versions 4.1 through 4.1(6), update to version 4.1(7) or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2011-3297

Affected Products

Cisco Firewall Services Module

References · 3

• http://cisco.com/warp/public/707/cisco-sa-20111005-fwsm.shtml · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-3297 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70327 · Note