What’s Vulnerable › Vulnerabilities

CVE-2020-37067: Filetto 1.0 - 'FEAT' Denial of Service

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-03 · updated 2026-06-17
• Weakness: CWE-770

Description

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: 1.0

References

• http://www.utillyty.eu
• https://sourceforge.net/projects/filetto
• https://www.exploit-db.com/exploits/48503
• https://www.vulncheck.com/advisories/filetto-feat-denial-of-service

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