CVE-2020-28971: (Pwn2Own) Western Digital MyCloud PR4100 nasAdmin Authentication Bypass Vulnerability
First published: Tue Dec 01 2020(Updated: )
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to execute privileged commands on the device via a cookie, because of insufficient validation of URI paths.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Western Digital MyCloud PR4100 | ||
| Westerndigital My Cloud Os 5 | <5.06.115 | |
| Westerndigital My Cloud Ex2 Ultra | ||
| Westerndigital My Cloud Ex4100 | ||
| Westerndigital My Cloud Mirror Gen 2 | ||
| Westerndigital My Cloud Pr2100 | ||
| Westerndigital My Cloud Pr4100 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-28971?
CVE-2020-28971 is a vulnerability that allows network-adjacent attackers to bypass authentication on affected installations of Western Digital MyCloud PR4100.
How severe is CVE-2020-28971?
CVE-2020-28971 has a severity rating of 9.8, indicating a critical vulnerability.
What software versions are affected by CVE-2020-28971?
The affected software version is Western Digital MyCloud OS 5 up to version 5.06.115.
How can the authentication bypass be exploited?
The existing authentication mechanism can be bypassed.
Is there a fix available for CVE-2020-28971?
Yes, Western Digital has released firmware version 5.06.115 to address the vulnerability.
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