CVE-2000-1002: Stalker Communigate Pro

Medium severity, CVSS 5.0. EPSS: 7.5% chance of exploitation in the next 30 days.

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks.

Affected products

• Stalker Communigate Pro: version 3.3.2 only

Published 2000-12-11. Last modified 2026-09-23.