CVE-2020-37067

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 v4.0

7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.37% chance of exploitation in the next 30 days, 30th percentile

Published

2026-02-03

Updated

2026-02-04

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/48503

References

• CVE Record
• NVD entry

Related

• CVE-2020-37066
• CVE-2020-37068
• CVE-2020-37065
• CVE-2020-37069
• CVE-2020-37064
• CVE-2020-37070