CVEvulnerability
CVE-2021-47890
8.5 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-01-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.5 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-428
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.
Related
Weakness · CWE (1)
- CWE-428 Unquoted Search Path or Element weakness
References
- https://download.logonexpert.com/LogonExpertSetup64.msi download.logonexpert.com
- https://www.exploit-db.com/exploits/49586 www.exploit-db.com
- https://www.softros.com/ www.softros.com
- https://www.vulncheck.com/advisories/logonexpert-logonexpertsvc-unquoted-service-path www.vulncheck.com