CVE-2021-47890

HIGH

7.8

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.

Details CVE

Score CVSS v3.17.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/23/2026

Derniere modification1/26/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-428

References

https://download.logonexpert.com/LogonExpertSetup64.msi(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49586(disclosure@vulncheck.com)

https://www.softros.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/logonexpert-logonexpertsvc-unquoted-service-path(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.