ZDI-20-1446: (Pwn2Own) Western Digital MyCloud PR4100 nasAdmin Incorrect Authorization Authentication Bypass Vulnerability
This vulnerability allows remote attackers to bypass authentication on affected installations of Western Digital MyCloud PR4100. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mod_rewrite module. The issue results from the way the software parses URLs to make authorization decisions. An attacker can leverage this vulnerability to bypass authentication on the system.
| 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-20-1446?
The severity of ZDI-20-1446 is considered high due to the ability of remote attackers to bypass authentication.
How do I fix ZDI-20-1446?
To fix ZDI-20-1446, it is recommended to update to the latest firmware provided by Western Digital for MyCloud PR4100.
What type of vulnerability is ZDI-20-1446?
ZDI-20-1446 is an authentication bypass vulnerability that allows unauthorized access.
Who is affected by ZDI-20-1446?
ZDI-20-1446 affects users of the Western Digital MyCloud PR4100 storage device.
Is authentication required to exploit ZDI-20-1446?
No, authentication is not required to exploit ZDI-20-1446, making it particularly concerning.
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