CVE-2002-0221: Etype Eserv

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Etype Eserv 2.97 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of PASV commands that consume ports 1024 through 5000, which prevents the server from accepting valid PASV.

Affected products

  • Etype Eserv: version 2.97 only

Published 2002-05-16. Last modified 2026-06-16.