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Vulnerability record · CVE-2020-36990 · published 28 January 2026

CVE-2020-36990: Unquoted search path vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.18% · top 93.5% CWE-428 · Unquoted search path Deferred
8.5CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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:

References

LinkTags
https://www.exploit-db.com/exploits/48795
https://www.inputdirector.com/
https://www.vulncheck.com/advisories/input-director-input-director-unquoted-service-path

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Source: NIST National Vulnerability Database (record CVE-2020-36990), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.