National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-3273)

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Last updated: Tue May 21 23:59:53 EDT 2013

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Vulnerability Summary for CVE-2011-3273

Original release date:10/03/2011

Last revised:05/14/2012

Source: US-CERT/NIST

Overview

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CISCO

Name: 20110928 Cisco IOS Software IPS and Zone-Based Firewall Vulnerabilities

Type: Advisory

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml

External Source: CONFIRM

Name: http://tools.cisco.com/security/center/viewAlert.x?alertId=24123

Hyperlink:http://tools.cisco.com/security/center/viewAlert.x?alertId=24123