Remote Code Execution in Wing FTP Server 6.3.8 Lua Console

Publication date: 2026-01-30

Last updated on: 2026-02-18

Assigner: VulnCheck

Description

Wing FTP Server 6.3.8 contains a remote code execution vulnerability in its Lua-based web console that allows authenticated users to execute system commands. Attackers can leverage the console to send POST requests with malicious commands that trigger operating system execution through the os.execute() function.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-30

Last Modified

2026-02-18

Generated

2026-07-06

AI Q&A

2026-01-31

EPSS Evaluated

2026-07-05

NVD

CVE-2020-37032

Affected Vendors & Products

Vendor	Product	Version / Range
wftpserver	wing_ftp_server	6.3.8

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-78	The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability exists in Wing FTP Server 6.3.8's Lua-based web console, allowing authenticated users to execute arbitrary system commands remotely. Attackers can send specially crafted POST requests containing malicious commands that are executed on the operating system via the os.execute() function.

Impact Analysis

This vulnerability can lead to remote code execution by authenticated users, potentially allowing attackers to take control of the affected system, execute arbitrary commands, compromise data integrity, availability, and confidentiality, and escalate privileges or move laterally within a network.

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