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Status published
High
CVE-2021-40396
A privilege escalation vulnerability exists in the installation of Advantech...
Vulnerability Description
A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iService 1.1.7. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
advantech
View all reports →Affected Software
deviceon\/iservice
Vulnerable Versions:
1.1.7
Timeline
Official Publish:
January 28th, 2022
Last Modified:
April 15th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H