Critical 9.8Published Feb 3, 2026

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

Updated under an hour ago (Oct 26, 2026, 1:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Utillyty Filetto

Exploited in the last 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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Feb 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Utillyty Filetto utillyty:filetto (from the name)	1.0	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.