What is the severity of ZDI-CAN-15889?

The severity of ZDI-CAN-15889 is considered critical due to the potential for privilege escalation.

How do I fix ZDI-CAN-15889?

To mitigate ZDI-CAN-15889, apply the latest firmware updates provided by Western Digital.

What type of attackers can exploit ZDI-CAN-15889?

ZDI-CAN-15889 can be exploited by network-adjacent attackers with some level of authenticated access.

What systems are affected by ZDI-CAN-15889?

ZDI-CAN-15889 specifically affects Western Digital MyCloud PR4100 installations.

Is user interaction required to exploit ZDI-CAN-15889?

Yes, user interaction is required as the exploitation of ZDI-CAN-15889 necessitates authentication.

Vulnerability/
ZDI-CAN-15889

high

30/1/2025

ZDI-CAN-15889: (Pwn2Own) Western Digital MyCloud PR4100 cgi_api Server-Side Request Forgery Privilege Escalation Vulnerability

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of Western Digital MyCloud PR4100. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the cgi_api endpoint. The issue results from the lack of proper validation of URIs prior to accessing resources. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

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

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-15889?
The severity of ZDI-CAN-15889 is considered critical due to the potential for privilege escalation.
How do I fix ZDI-CAN-15889?
To mitigate ZDI-CAN-15889, apply the latest firmware updates provided by Western Digital.
What type of attackers can exploit ZDI-CAN-15889?
ZDI-CAN-15889 can be exploited by network-adjacent attackers with some level of authenticated access.
What systems are affected by ZDI-CAN-15889?
ZDI-CAN-15889 specifically affects Western Digital MyCloud PR4100 installations.
Is user interaction required to exploit ZDI-CAN-15889?
Yes, user interaction is required as the exploitation of ZDI-CAN-15889 necessitates authentication.

agent/references
agent/softwarecombine
agent/severity
agent/title
agent/type
agent/description
agent/event
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-22-348
alias/ZDI-CAN-15889
alias/CVE-2022-22993
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-15889?
The severity of ZDI-CAN-15889 is considered critical due to the potential for privilege escalation.
How do I fix ZDI-CAN-15889?
To mitigate ZDI-CAN-15889, apply the latest firmware updates provided by Western Digital.
What type of attackers can exploit ZDI-CAN-15889?
ZDI-CAN-15889 can be exploited by network-adjacent attackers with some level of authenticated access.
What systems are affected by ZDI-CAN-15889?
ZDI-CAN-15889 specifically affects Western Digital MyCloud PR4100 installations.
Is user interaction required to exploit ZDI-CAN-15889?
Yes, user interaction is required as the exploitation of ZDI-CAN-15889 necessitates authentication.