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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


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Vulnerability Assessment Details

CSCdu20643

Vulnerability Assessment Summary
Uses SNMP to determine if a flaw is present

Detailed Explanation for this Vulnerability Assessment

If the remote device has Cisco Express Forwarding (CEF) enabled,
it may leak information from previous packets that have been
handled by the device.

A possible hacker may use this flaw to sniff your network remotely

This vulnerability is documented as Cisco Bug ID CSCdu20643.

Solution : http://www.cisco.com/warp/public/707/IOS-CEF-pub.shtml
Network Security Threat Level: High

*** As Nessus solely relied on the banner of the remote host
*** this might be a false positive


Networks Security ID: 4191

Vulnerability Assessment Copyright: This script is (C) 2002 Renaud Deraison

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