CVE-2001-1373: Zonelabs Zonealarm

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

MailSafe in Zone Labs ZoneAlarm 2.6 and earlier and ZoneAlarm Pro 2.6 and 2.4 does not block prohibited file types with long file names, which allows remote attackers to send potentially dangerous attachments.

Affected products

• Zonelabs Zonealarm: version 2.1 only; version 2.2 only; version 2.3 only; version 2.4 only; version 2.5 only; version 2.6 only

Published 2001-07-18. Last modified 2026-06-16.