High severity7.8NVD Advisory· Published Jan 23, 2026· Updated Apr 15, 2026

CVE-2021-47890

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Softros/LogonExpertllm-create
Range: = 8.1

Patches

Vulnerability mechanics

References

download.logonexpert.com/LogonExpertSetup64.msinvd
www.exploit-db.com/exploits/49586nvd
www.softros.comnvd
www.vulncheck.com/advisories/logonexpert-logonexpertsvc-unquoted-service-pathnvd

News mentions

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