What is CVE-2021-42313?

CVE-2021-42313 is a vulnerability in Microsoft Azure Defender for IoT that allows remote attackers to bypass authentication.

How severe is CVE-2021-42313?

CVE-2021-42313 has a severity rating of 10, which is considered critical.

How does CVE-2021-42313 work?

CVE-2021-42313 exploits a lack of proper validation in the sync endpoint of Microsoft Azure Defender for IoT, allowing remote attackers to bypass authentication.

Which software versions are affected by CVE-2021-42313?

Microsoft Azure Defender for IoT versions up to 10.5.2 are affected by CVE-2021-42313.

How can I fix CVE-2021-42313?

To fix CVE-2021-42313, update your Microsoft Azure Defender for IoT installation to the latest version. Refer to the provided documentation and patch instructions for more details.

Vulnerability/
CVE-2021-42313

critical

CWE

14/12/2021

15/12/2021

16/1/2024

21/11/2024

CVE-2021-42313: Microsoft Azure Defender for IoT sync Endpoint SQL Injection Authentication Bypass Vulnerability

First published: Tue Dec 14 2021(Updated: )

Microsoft Defender for IoT Remote Code Execution Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Defender for IoT	<10.5.2
Microsoft Defender for IoT		fix available externally
Microsoft Azure Defender for IoT
	<10.5.2

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42313

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Reference Links

Frequently Asked Questions

What is CVE-2021-42313?
CVE-2021-42313 is a vulnerability in Microsoft Azure Defender for IoT that allows remote attackers to bypass authentication.
How severe is CVE-2021-42313?
CVE-2021-42313 has a severity rating of 10, which is considered critical.
How does CVE-2021-42313 work?
CVE-2021-42313 exploits a lack of proper validation in the sync endpoint of Microsoft Azure Defender for IoT, allowing remote attackers to bypass authentication.
Which software versions are affected by CVE-2021-42313?
Microsoft Azure Defender for IoT versions up to 10.5.2 are affected by CVE-2021-42313.
How can I fix CVE-2021-42313?
To fix CVE-2021-42313, update your Microsoft Azure Defender for IoT installation to the latest version. Refer to the provided documentation and patch instructions for more details.

collector/nvd-index
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collector/msrc-cve
source/Microsoft
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vendor/microsoft
canonical/microsoft defender for iot
canonical/microsoft azure defender for iot

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