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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.


Home >> Browse Vulnerability Assessment Database >> CISCO >> CISCO IOS Interface blocked by IPv4 Packet


Vulnerability Assessment Details

CISCO IOS Interface blocked by IPv4 Packet

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

Detailed Explanation for this Vulnerability Assessment


It is possible to block the remote router by sending malformed
IPv4 packets.

A possible hacker may use this flaw to render this router inoperable.

Solution : http://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml
Network Security Threat Level: High
See also : http://www.cert.org/advisories/CA-2003-15.html

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


Networks Security ID: 8211

Vulnerability Assessment Copyright: This script is (C) 2003 Renaud Deraison

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