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Vulnerability Score 1.2 1.2
CVE Id CVE-2006-3551
Last Modified 05 Sep 2008 05:07:26
Published 12 Jul 2006 08:05:00
Confidentiality Impact NONE NONE
Integrity Impact PARTIAL PARTIAL
Availability Impact NONE NONE
Access Vector LOCAL
Access Complexity HIGH
Authentication NONE



NCP Secure Enterprise Client (aka VPN/PKI client) 8.30 Build 59, and possibly earlier versions, when the Link Firewall and Personal Firewall are both configured to block all inbound and outbound network traffic, allows context-dependent attackers to send inbound UDP traffic with source port 67 and destination port 68, and outbound UDP traffic with source port 68 and destination port 67.

Vulnerable Systems


  • Ncp Network Communications Secure Client 8.30 Build 59


XF - ncp-vpnpki-udp-bypass-security(27484)

FULLDISC - 20060630 NCP VPN/PKI Client: UDP Bypassing

Last Updated: 27 May 2016 10:43:02