What is the severity of ZDI-22-349?

ZDI-22-349 is classified as a critical vulnerability that allows arbitrary code execution.

How can I fix ZDI-22-349?

To mitigate ZDI-22-349, update your Western Digital MyCloud PR4100 to the latest firmware version provided by the vendor.

Who is affected by ZDI-22-349?

ZDI-22-349 affects installations of the Western Digital MyCloud PR4100 device.

Is authentication required to exploit ZDI-22-349?

No, ZDI-22-349 can be exploited by network-adjacent attackers without the need for authentication.

What impact does ZDI-22-349 have on affected systems?

ZDI-22-349 potentially allows attackers to execute arbitrary code, compromising the affected system's integrity.

Vulnerability/
ZDI-22-349

high

8.8

30/1/2025

ZDI-22-349: (Pwn2Own) Western Digital My Cloud Pro Series PR4100 ConnectivityService Insufficient Verification of Data Authenticity Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Western Digital MyCloud PR4100. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ConnectivityService service. The issue results from the lack of proper authentication of data received via HTTP. An attacker can leverage this vulnerability to execute code in the context of root.

Affected Software	Affected Version	How to fix
Western Digital My Cloud PR4100

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Frequently Asked Questions

What is the severity of ZDI-22-349?
ZDI-22-349 is classified as a critical vulnerability that allows arbitrary code execution.
How can I fix ZDI-22-349?
To mitigate ZDI-22-349, update your Western Digital MyCloud PR4100 to the latest firmware version provided by the vendor.
Who is affected by ZDI-22-349?
ZDI-22-349 affects installations of the Western Digital MyCloud PR4100 device.
Is authentication required to exploit ZDI-22-349?
No, ZDI-22-349 can be exploited by network-adjacent attackers without the need for authentication.
What impact does ZDI-22-349 have on affected systems?
ZDI-22-349 potentially allows attackers to execute arbitrary code, compromising the affected system's integrity.

agent/references
agent/type
agent/softwarecombine
agent/title
agent/severity
agent/event
agent/description
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-22-349
alias/ZDI-CAN-15859
alias/CVE-2022-22994
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/western digital
canonical/western digital my cloud pr4100

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Frequently Asked Questions

What is the severity of ZDI-22-349?
ZDI-22-349 is classified as a critical vulnerability that allows arbitrary code execution.
How can I fix ZDI-22-349?
To mitigate ZDI-22-349, update your Western Digital MyCloud PR4100 to the latest firmware version provided by the vendor.
Who is affected by ZDI-22-349?
ZDI-22-349 affects installations of the Western Digital MyCloud PR4100 device.
Is authentication required to exploit ZDI-22-349?
No, ZDI-22-349 can be exploited by network-adjacent attackers without the need for authentication.
What impact does ZDI-22-349 have on affected systems?
ZDI-22-349 potentially allows attackers to execute arbitrary code, compromising the affected system's integrity.