CVE-2004-1517: Zonelabs Imsecure

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Zone Labs IMsecure and IMsecure Pro before 1.5 allow remote attackers to bypass Active Link Filtering via an instant message containing a URL with hex encoded file extensions.

Affected products

• Zonelabs Imsecure: version 1.0.0.0 only; version 1.0.1.0 only; version 1.0.2.0 only

Published 2004-12-31. Last modified 2026-06-16.