National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-4499)

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Last updated: Thu May 23 03:22:00 EDT 2013

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Vulnerability Summary for CVE-2011-4499

Original release date:11/22/2011

Last revised:03/09/2012

Source: US-CERT/NIST

Overview

The UPnP IGD implementation in the Broadcom UPnP stack on the Cisco Linksys WRT54G with firmware before 4.30.5, WRT54GS v1 through v3 with firmware before 4.71.1, and WRT54GS v4 with firmware before 1.06.1 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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US-CERT Vulnerability Note: VU#357851

Name: VU#357851

Hyperlink:http://www.kb.cert.org/vuls/id/357851

External Source: MISC

Name: http://www.upnp-hacks.org/devices.html

Hyperlink:http://www.upnp-hacks.org/devices.html