VULNERABILITY INTELLIGENCE
CVE-2021-47890
CVSS score7.8 HIGH
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-01-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-428