CVE-2021-47890

HIGH

7.8

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.17.8

SeveridadHIGH

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

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado1/23/2026

Ultima modificacion1/26/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-428

Referencias

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)

Correlaciones IOC

Sin correlaciones registradas

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