What is the severity of ZDI-CAN-14159?

The severity of ZDI-CAN-14159 is considered critical due to its ability to allow remote attackers to bypass authentication.

How do I fix ZDI-CAN-14159?

To fix ZDI-CAN-14159, ensure that all necessary security updates for Microsoft Azure Defender for IoT are applied as recommended by Microsoft.

What impact does ZDI-CAN-14159 have on my system?

The impact of ZDI-CAN-14159 includes unauthorized access to the system, which can lead to data breaches and compromised security.

Who is affected by ZDI-CAN-14159?

Organizations using Microsoft Azure Defender for IoT are affected by ZDI-CAN-14159.

What is the nature of the vulnerability in ZDI-CAN-14159?

ZDI-CAN-14159 is a vulnerability that allows authentication bypass through a specific flaw in the sync endpoint.

Vulnerability/
ZDI-CAN-14159

critical

9.8

23/2/2025

ZDI-CAN-14159: Microsoft Azure Defender for IoT sync Endpoint SQL Injection Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected installations of Microsoft Azure Defender for IoT. Authentication is not required to exploit this vulnerability. The specific flaw exists within the sync endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to bypass authentication on the system and execute arbitrary code in the context of root.

Affected Software	Affected Version	How to fix
Microsoft Defender for IoT

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Frequently Asked Questions

What is the severity of ZDI-CAN-14159?
The severity of ZDI-CAN-14159 is considered critical due to its ability to allow remote attackers to bypass authentication.
How do I fix ZDI-CAN-14159?
To fix ZDI-CAN-14159, ensure that all necessary security updates for Microsoft Azure Defender for IoT are applied as recommended by Microsoft.
What impact does ZDI-CAN-14159 have on my system?
The impact of ZDI-CAN-14159 includes unauthorized access to the system, which can lead to data breaches and compromised security.
Who is affected by ZDI-CAN-14159?
Organizations using Microsoft Azure Defender for IoT are affected by ZDI-CAN-14159.
What is the nature of the vulnerability in ZDI-CAN-14159?
ZDI-CAN-14159 is a vulnerability that allows authentication bypass through a specific flaw in the sync endpoint.

agent/references
agent/softwarecombine
agent/title
agent/severity
agent/description
agent/source
agent/type
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-21-1555
alias/ZDI-CAN-14159
alias/CVE-2021-42313
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/event
vendor/microsoft
canonical/microsoft defender for iot

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