What is CVE-2020-36990?

CVE-2020-36990 is a high-severity vulnerability in Inputdirector Input Director, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-28.

How severe is CVE-2020-36990?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Inputdirector Input Director

CVE-2020-36990

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.

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Inputdirector Input Director — versions 1.4.3

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-36990?: CVE-2020-36990 is a high-severity vulnerability in Inputdirector Input Director, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-28.
How severe is CVE-2020-36990?: High severity. CVSS v3 base score is 7.8 out of 10.