CVE-2000-0783: WatchGuard Firebox

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.

Affected products

• WatchGuard Firebox: version ii only

Published 2000-10-20. Last modified 2026-06-16.