What is the severity of ZDI-CAN-15859?

The severity of ZDI-CAN-15859 is critical due to its ability to allow arbitrary code execution without authentication.

How do I fix ZDI-CAN-15859?

To fix ZDI-CAN-15859, update the firmware of your Western Digital MyCloud PR4100 to the latest version provided by the vendor.

Who is affected by ZDI-CAN-15859?

ZDI-CAN-15859 affects installations of Western Digital MyCloud PR4100 devices.

Can ZDI-CAN-15859 be exploited remotely?

Yes, ZDI-CAN-15859 can be exploited by network-adjacent attackers.

Does ZDI-CAN-15859 require authentication to exploit?

No, ZDI-CAN-15859 does not require authentication to exploit the vulnerability.

Vulnerability/
ZDI-CAN-15859

high

8.8

30/1/2025

ZDI-CAN-15859: (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

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-15859?
The severity of ZDI-CAN-15859 is critical due to its ability to allow arbitrary code execution without authentication.
How do I fix ZDI-CAN-15859?
To fix ZDI-CAN-15859, update the firmware of your Western Digital MyCloud PR4100 to the latest version provided by the vendor.
Who is affected by ZDI-CAN-15859?
ZDI-CAN-15859 affects installations of Western Digital MyCloud PR4100 devices.
Can ZDI-CAN-15859 be exploited remotely?
Yes, ZDI-CAN-15859 can be exploited by network-adjacent attackers.
Does ZDI-CAN-15859 require authentication to exploit?
No, ZDI-CAN-15859 does not require authentication to exploit the vulnerability.

agent/references
agent/softwarecombine
agent/title
agent/severity
agent/event
agent/type
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

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of ZDI-CAN-15859?
The severity of ZDI-CAN-15859 is critical due to its ability to allow arbitrary code execution without authentication.
How do I fix ZDI-CAN-15859?
To fix ZDI-CAN-15859, update the firmware of your Western Digital MyCloud PR4100 to the latest version provided by the vendor.
Who is affected by ZDI-CAN-15859?
ZDI-CAN-15859 affects installations of Western Digital MyCloud PR4100 devices.
Can ZDI-CAN-15859 be exploited remotely?
Yes, ZDI-CAN-15859 can be exploited by network-adjacent attackers.
Does ZDI-CAN-15859 require authentication to exploit?
No, ZDI-CAN-15859 does not require authentication to exploit the vulnerability.