What is CVE-2021-21912?

CVE-2021-21912 is a privilege escalation vulnerability in the Windows version of installation for Advantech R-SeeNet.

How severe is CVE-2021-21912?

CVE-2021-21912 has a severity score of 7.8 out of 10, indicating a high severity.

Which software is affected by CVE-2021-21912?

Advantech R-SeeNet version 2.4.15 installed on Windows systems is affected by CVE-2021-21912.

How can an attacker exploit CVE-2021-21912?

An attacker can exploit CVE-2021-21912 by providing a specially-crafted file to escalate privileges to NT SYSTEM authority on the affected system.

Is Microsoft Windows vulnerable to CVE-2021-21912?

No, Microsoft Windows itself is not vulnerable to CVE-2021-21912.

Are there any references for more information about CVE-2021-21912?

Yes, you can find more information about CVE-2021-21912 at the following link: [CVE-2021-21912](https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360).

Vulnerability/
CVE-2021-21912

high

8.8

CWE

276

22/12/2021

3/8/2024

CVE-2021-21912

First published: Wed Dec 22 2021(Updated: )

A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). 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 R-SeeNet	=2.4.15
Microsoft Windows

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360

Frequently Asked Questions

What is CVE-2021-21912?
CVE-2021-21912 is a privilege escalation vulnerability in the Windows version of installation for Advantech R-SeeNet.
How severe is CVE-2021-21912?
CVE-2021-21912 has a severity score of 7.8 out of 10, indicating a high severity.
Which software is affected by CVE-2021-21912?
Advantech R-SeeNet version 2.4.15 installed on Windows systems is affected by CVE-2021-21912.
How can an attacker exploit CVE-2021-21912?
An attacker can exploit CVE-2021-21912 by providing a specially-crafted file to escalate privileges to NT SYSTEM authority on the affected system.
Is Microsoft Windows vulnerable to CVE-2021-21912?
No, Microsoft Windows itself is not vulnerable to CVE-2021-21912.
Are there any references for more information about CVE-2021-21912?
Yes, you can find more information about CVE-2021-21912 at the following link: [CVE-2021-21912](https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360).

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vendor/advantech
canonical/advantech r-seenet
version/advantech r-seenet/2.4.15
vendor/microsoft
canonical/microsoft windows

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