Unquoted Service Path in Input Director 1.4.3 Enables Privilege Escalation

Publication date: 2026-01-28

Last updated on: 2026-01-28

Assigner: VulnCheck

Description

Input Director 1.4.3 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.

CVSS Scores

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Meta Information

Published

2026-01-28

Last Modified

2026-01-28

Generated

2026-07-06

AI Q&A

2026-01-29

EPSS Evaluated

2026-07-05

NVD

CVE-2020-36990

EUVD

EUVD-2020-30898

Affected Vendors & Products

Vendor	Product	Version / Range
input_director	input_director	1.4.3

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-428	The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.

Attack-Flow Graph

Executive Summary

This vulnerability is an unquoted service path issue in Input Director 1.4.3's Windows service configuration. It allows local attackers to execute code with elevated privileges by exploiting the unquoted path during system startup or reboot, enabling them to run malicious executables with LocalSystem permissions.

Impact Analysis

The vulnerability can allow an attacker with local access to execute malicious code with elevated privileges (LocalSystem), potentially leading to full system compromise, unauthorized access, and control over the affected system.

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