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                                     CERT-Renater

                        Note d'Information No. 2016/VULN040
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DATE                : 27/01/2016

HARDWARE PLATFORM(S): Cisco RV220W Wireless Network Security Firewall
                         devices.

OPERATING SYSTEM(S): Cisco RV220W Wireless Network Security Firewall
                         firmware.

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http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-rv220
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Cisco RV220W Management Authentication Bypass Vulnerability

Advisory ID: cisco-sa-20160127-rv220

Revision 1.0

For Public Release 2016 January 27 16:00 UTC (GMT)

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Summary
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A vulnerability in the web-based management interface of Cisco RV220W
Wireless Network Security Firewall devices could allow an
unauthenticated, remote attacker to bypass authentication and gain
administrative privileges on a targeted device.

The vulnerability is due to insufficient input validation of HTTP
request headers that are sent to the web-based management interface
of an affected device. An unauthenticated, remote attacker could
exploit this vulnerability by sending a crafted HTTP request that
contains malicious SQL statements to the management interface of a
targeted device. Depending on whether remote management is configured
for the device, the management interface may use the SQL code in the
HTTP request header to determine user privileges for the device. A
successful exploit could allow the attacker to bypass authentication
on the management interface and gain administrative privileges on the
device.

Cisco released a firmware update that addresses this vulnerability.
There are workarounds that mitigate this vulnerability.

This advisory is available at the following link:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-rv220

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