CVE-2021-40389
First published: Fri Jan 28 2022(Updated: )
A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iEdge Server 1.0.2. 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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech DeviceOn/iEdge | =1.0.2 |
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Frequently Asked Questions
What is the severity of CVE-2021-40389?
The severity of CVE-2021-40389 is high.
What software is affected by CVE-2021-40389?
Advantech DeviceOn/iEdge Server version 1.0.2 is affected by CVE-2021-40389.
How does CVE-2021-40389 work?
CVE-2021-40389 is a privilege escalation vulnerability that allows an attacker to replace a specific file in the system to gain NT SYSTEM privileges.
How can I fix CVE-2021-40389?
To fix CVE-2021-40389, it is recommended to update to a patched version of Advantech DeviceOn/iEdge Server.
Where can I find more information about CVE-2021-40389?
More information about CVE-2021-40389 can be found at https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400.
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