Description

LogonExpert 8.1 contains an unquoted service path vulnerability in the LogonExpertSvc service running with LocalSystem privileges. Attackers can exploit the unquoted path to place malicious executables in intermediate directories, potentially gaining elevated system access during service startup.

INFO

Published Date :

2026-01-23T16:47:36.072Z

Last Modified :

2026-01-23T19:17:52.210Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2021-47890 vulnerability.

Vendors Products
Softros Systems
  • Logonexpert
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47890.

URL Resource
https://download.logonexpert.com/LogonExpertSetup64.msi cve-icon cve-icon
https://www.exploit-db.com/exploits/49586 cve-icon cve-icon
https://www.softros.com/ cve-icon cve-icon
https://www.vulncheck.com/advisories/logonexpert-logonexpertsvc-unquoted-service-path cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact