What is the severity of ZDI-23-850?

ZDI-23-850 is classified as a critical vulnerability due to its ability to allow arbitrary code execution without authentication.

How do I fix ZDI-23-850?

To resolve vulnerability ZDI-23-850, users should update their Western Digital MyCloud PR4100 NAS devices to the latest firmware version provided by Western Digital.

Who is affected by ZDI-23-850?

The vulnerability ZDI-23-850 affects users of Western Digital MyCloud PR4100 NAS devices.

Can ZDI-23-850 be exploited remotely?

Yes, ZDI-23-850 can be exploited by network-adjacent attackers, allowing them to execute arbitrary code.

Is authentication required to exploit ZDI-23-850?

No, ZDI-23-850 can be exploited without requiring any authentication.

Vulnerability/
ZDI-23-850

8/6/2023

ZDI-23-850: (Pwn2Own) Western Digital MyCloud PR4100 RESTSDK Server-Side Request Forgery Vulnerability

First published: Thu Jun 08 2023(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Western Digital MyCloud PR4100 NAS devices. Authentication is not required to exploit this vulnerability.

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

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Reference Links

http://www.zerodayinitiative.com/advisories/ZDI-23-850/ (Advisory)

Frequently Asked Questions

What is the severity of ZDI-23-850?
ZDI-23-850 is classified as a critical vulnerability due to its ability to allow arbitrary code execution without authentication.
How do I fix ZDI-23-850?
To resolve vulnerability ZDI-23-850, users should update their Western Digital MyCloud PR4100 NAS devices to the latest firmware version provided by Western Digital.
Who is affected by ZDI-23-850?
The vulnerability ZDI-23-850 affects users of Western Digital MyCloud PR4100 NAS devices.
Can ZDI-23-850 be exploited remotely?
Yes, ZDI-23-850 can be exploited by network-adjacent attackers, allowing them to execute arbitrary code.
Is authentication required to exploit ZDI-23-850?
No, ZDI-23-850 can be exploited without requiring any authentication.

collector/zdi-published
alias/ZDI-CAN-19767
agent/severity
agent/event
agent/type
agent/first-publish-date
agent/last-modified-date
agent/references
agent/title
agent/description
agent/softwarecombine
agent/tags
agent/guess-ai
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-23-850?
ZDI-23-850 is classified as a critical vulnerability due to its ability to allow arbitrary code execution without authentication.
How do I fix ZDI-23-850?
To resolve vulnerability ZDI-23-850, users should update their Western Digital MyCloud PR4100 NAS devices to the latest firmware version provided by Western Digital.
Who is affected by ZDI-23-850?
The vulnerability ZDI-23-850 affects users of Western Digital MyCloud PR4100 NAS devices.
Can ZDI-23-850 be exploited remotely?
Yes, ZDI-23-850 can be exploited by network-adjacent attackers, allowing them to execute arbitrary code.
Is authentication required to exploit ZDI-23-850?
No, ZDI-23-850 can be exploited without requiring any authentication.