What is the severity of ZDI-CAN-19856?

The severity of ZDI-CAN-19856 is considered critical due to its potential to cause a denial-of-service condition.

How do I fix ZDI-CAN-19856?

To fix ZDI-CAN-19856, update your Western Digital MyCloud PR4100 NAS devices to the latest firmware provided by Western Digital.

Who is affected by ZDI-CAN-19856?

ZDI-CAN-19856 affects installations of Western Digital MyCloud PR4100 NAS devices that are exposed to network-adjacent attackers.

Is authentication required to exploit ZDI-CAN-19856?

No, authentication is not required to exploit ZDI-CAN-19856, making it easier for attackers to initiate a denial-of-service.

What kind of attack can ZDI-CAN-19856 lead to?

ZDI-CAN-19856 can lead to a denial-of-service attack on affected Western Digital MyCloud PR4100 NAS devices.

Vulnerability/
ZDI-CAN-19856

8/6/2023

ZDI-CAN-19856: ZDI-23-851: (Pwn2Own) Western Digital MyCloud PR4100 RESTSDK Uncontrolled Resource Consumption Denial-of-Service Vulnerability

First published: Thu Jun 08 2023(Updated: )

This vulnerability allows network-adjacent attackers to create a denial-of-service condition 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-23-851/ (Advisory)

Frequently Asked Questions

What is the severity of ZDI-CAN-19856?
The severity of ZDI-CAN-19856 is considered critical due to its potential to cause a denial-of-service condition.
How do I fix ZDI-CAN-19856?
To fix ZDI-CAN-19856, update your Western Digital MyCloud PR4100 NAS devices to the latest firmware provided by Western Digital.
Who is affected by ZDI-CAN-19856?
ZDI-CAN-19856 affects installations of Western Digital MyCloud PR4100 NAS devices that are exposed to network-adjacent attackers.
Is authentication required to exploit ZDI-CAN-19856?
No, authentication is not required to exploit ZDI-CAN-19856, making it easier for attackers to initiate a denial-of-service.
What kind of attack can ZDI-CAN-19856 lead to?
ZDI-CAN-19856 can lead to a denial-of-service attack on affected Western Digital MyCloud PR4100 NAS devices.

collector/zdi-published
alias/ZDI-CAN-19856
agent/severity
agent/event
agent/first-publish-date
agent/last-modified-date
agent/references
agent/title
agent/description
agent/type
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-CAN-19856?
The severity of ZDI-CAN-19856 is considered critical due to its potential to cause a denial-of-service condition.
How do I fix ZDI-CAN-19856?
To fix ZDI-CAN-19856, update your Western Digital MyCloud PR4100 NAS devices to the latest firmware provided by Western Digital.
Who is affected by ZDI-CAN-19856?
ZDI-CAN-19856 affects installations of Western Digital MyCloud PR4100 NAS devices that are exposed to network-adjacent attackers.
Is authentication required to exploit ZDI-CAN-19856?
No, authentication is not required to exploit ZDI-CAN-19856, making it easier for attackers to initiate a denial-of-service.
What kind of attack can ZDI-CAN-19856 lead to?
ZDI-CAN-19856 can lead to a denial-of-service attack on affected Western Digital MyCloud PR4100 NAS devices.