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CVE-2020-37067

Filetto 1.0 - 'FEAT' Denial of Service

High7.1Public exploitEPSS 0.44%
Published
Updated
Reserved
Assigned by
VulnCheck

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.

Public exploit

A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.

Timeline

  1. ID reserved

    By VulnCheck

  2. · 2 days later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-37067, by who scored it
Scored byCVSSScoreVector
VulnCheckCNA (assigner)4.0High7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
VulnCheckCNA (assigner)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred4.0High7.1CVSS: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
EPSS (exploitation in 30 days)
0.44% · top 61% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Weakness

Affected products

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .