CVE-2021-47890

LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.1%CWE-428

Vexday Risk Score

21Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

23 ene 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

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

Productos afectados

Softros Systems · LogonExpert

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Referencias

https://download.logonexpert.com/LogonExpertSetup64.msi https://www.exploit-db.com/exploits/49586 https://www.softros.com/https://www.vulncheck.com/advisories/logonexpert-logonexpertsvc-unquoted-service-path