CVE-2025-10541

Local Privilege Escalation via Insecure Update Mechanism in iMonitor EAM

Published Sep 25, 2025 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
iMonitor EAM 9.6394 installs a system service (eamusbsrv64.exe) that runs with NT AUTHORITY\SYSTEM privileges. This service includes an insecure update mechanism that automatically loads files placed in the C:\sysupdate\ directory during startup. Because any local user can create and write to this directory, an attacker can place malicious DLLs or executables in it. Upon service restart, the files are moved to the application’s installation path and executed with SYSTEM privileges, leading to privilege escalation.

Remediation

Vendor Solution

The vendor was unresponsive and did not answer to our communication attempts. Therefore, a patch is not available for these security issues. End users of this product should contact the vendor and demand a patch.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-31107 iMonitor EAM 9.6394 installs a system service (eamusbsrv64.exe) that runs with NT AUTHORITY\SYSTEM privileges. This service includes an insecure update mechanism that automatically loads files placed in the C:\sysupdate\ directory during startup. Because any local user can create and write to this directory, an attacker can place malicious DLLs or executables in it. Upon service restart, the files are moved to the application’s installation path and executed with SYSTEM privileges, leading to privilege escalation.
History
Type Values Removed Values Added
First Time appeared Imonitor
Imonitor imonitor Eam
Vendors & Products Imonitor
Imonitor imonitor Eam
Type Values Removed Values Added
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description iMonitor EAM 9.6394 installs a system service (eamusbsrv64.exe) that runs with NT AUTHORITY\SYSTEM privileges. This service includes an insecure update mechanism that automatically loads files placed in the C:\sysupdate\ directory during startup. Because any local user can create and write to this directory, an attacker can place malicious DLLs or executables in it. Upon service restart, the files are moved to the application’s installation path and executed with SYSTEM privileges, leading to privilege escalation.
Title Local Privilege Escalation via Insecure Update Mechanism in iMonitor EAM
Weaknesses CWE-732
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
SEC-VLab
Published
Updated
Nov 3, 2025, 6:08 PM
Reserved
Sep 16, 2025, 7:44 AM
Status
Deferred
Published
Sep 25, 2025, 3:16 PM
Modified
Oct 11, 2026, 8:10 PM