CVE-2002-0440: Trend Micro Interscan Viruswall

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Trend Micro InterScan VirusWall HTTP proxy 3.6 with the "Skip scanning if Content-length equals 0" option enabled allows malicious web servers to bypass content scanning via a Content-length header set to 0, which is often ignored by HTTP clients.

Affected products

• Trend Micro Interscan Viruswall: version 3.6 only; version 3.51 only

Published 2002-07-26. Last modified 2026-06-16.