CVE-2020-28970
Critical
Description
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. (In addition, an upload endpoint could then be used by an authenticated administrator to upload executable PHP scripts.)
SeverityCritical
CVSS9.8
Exploit probability—
ProductWesterndigital My Cloud Os
PublishedDec 1, 2020
First seenDec 1, 2020
How to fix
Update
- westerndigital my_cloud_os_55.06.115 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| westerndigital my_cloud_os_5 | v < 5.06.115 | 5.06.115 |
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