CVE-2020-37067: Utillyty Filetto

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Filetto 1.0 FTP server contains a denial of service vulnerability in the FEAT command processing that allows attackers to crash the service. Attackers can send an oversized FEAT command with 11,008 bytes of repeated characters to trigger a buffer overflow and terminate the FTP service.

Affected products

• Utillyty Filetto: version 1.0 only

Published 2026-02-03. Last modified 2026-06-17.