CVE detail
CVE-2006-3551 — CVE-2006-3551
Published 2006-07-13 · Modified 2026-06-16 · Vendor ncp_network_communications · Product secure_client · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0027
EPSS probability
exploitation probability, 30d
19.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References