FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
K.soft FTPDummy affected
Version Status Constraints
4.80 affected —

No data.

No data.

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Vendors Products
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Ftpdummy Subscribe

Project Subscriptions

Vendors Products
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Ftpdummy Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.dummysoftware.com/ftpdummy.html cve-icon cve-icon
https://www.exploit-db.com/exploits/48685 cve-icon cve-icon
https://www.vulncheck.com/advisories/ftpdummy-local-buffer-overflow cve-icon cve-icon
History

Tue, 03 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared K.soft
K.soft ftpdummy
Vendors & Products K.soft
K.soft ftpdummy

Fri, 30 Jan 2026 22:30:00 +0000

Type Values Removed Values Added
Description FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands.
Title FTPDummy 4.80 - Local Buffer Overflow
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-03T20:39:10.323Z

Reserved: 2026-01-28T18:18:30.523Z

Link: CVE-2020-37029

cve-icon Vulnrichment

Updated: 2026-02-03T20:39:07.349Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-30T23:16:08.020

Modified: 2026-02-04T16:34:21.763

Link: CVE-2020-37029

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-02T09:27:05Z

Weaknesses