CVE-2022-36331: Impersonation attack causing an Authentication Bypass on Western Digital devices
First published: Mon Jun 12 2023(Updated: )
Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation attack that could allow an unauthenticated attacker to gain access to user data. This issue affects My Cloud OS 5 devices: before 5.25.132; My Cloud Home and My Cloud Home Duo: before 8.13.1-102; SanDisk ibi: before 8.13.1-102.
Credit: psirt@wdc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Western Digital My Cloud PR2100 Firmware | <5.25.132 | |
| Western Digital My Cloud PR2100 Firmware | ||
| Western Digital My Cloud PR4100 Firmware | <5.25.132 | |
| Western Digital My Cloud PR4100 | ||
| Western Digital My Cloud EX4100 Firmware | <5.25.132 | |
| Western Digital My Cloud EX4100 Firmware | ||
| Western Digital My Cloud EX2 Ultra Firmware | <5.25.132 | |
| Western Digital My Cloud EX2 Ultra Firmware | ||
| Western Digital My Cloud Mirror Gen 2 Firmware | <5.25.132 | |
| Western Digital My Cloud Mirror Gen 2 | ||
| Western Digital My Cloud DL2100 Firmware | <5.25.132 | |
| Western Digital My Cloud DL2100 Firmware | ||
| Western Digital My Cloud DL4100 Firmware | <5.25.132 | |
| Western Digital My Cloud DL4100 Firmware | ||
| Western Digital My Cloud EX2100 Firmware | <5.25.132 | |
| Western Digital My Cloud EX2100 Firmware | ||
| Western Digital My Cloud Home firmware | <8.13.1-102 | |
| Western Digital My Cloud Home | ||
| Western Digital My Cloud Home Duo Firmware | <8.13.1-102 | |
| Western Digital My Cloud Home Duo | ||
| SanDisk ibi firmware | <8.13.1-102 | |
| SanDisk ibi | ||
| Western Digital My Cloud Firmware | <5.25.132 | |
| Western Digital My Cloud |
Remedy
All My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices have been or will be automatically updated to the latest firmware version. Cloud access will not be available until your My Cloud Home/My Cloud Home Duo/SanDisk ibi device has been updated to firmware version 8.13.1-102 or above. Please refer to this KBA https://support-en.wd.com/app/answers/detailweb/a_id/50563 . Users of other My Cloud devices should promptly update to the latest firmware by clicking the firmware update notification to receive the latest security fixes. Cloud access will not be available until your My Cloud device has been updated to firmware version 5.25.132 or above. Please refer to this KBA https://support-en.wd.com/app/answers/detailweb/a_id/50564 .
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Reference Links
Frequently Asked Questions
What is CVE-2022-36331?
CVE-2022-36331 is a vulnerability that affects Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices.
How severe is CVE-2022-36331?
CVE-2022-36331 has a severity rating of 7.5 (out of 10), indicating it is critical.
Which devices are affected by CVE-2022-36331?
CVE-2022-36331 affects Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices.
How can an attacker exploit CVE-2022-36331?
CVE-2022-36331 can be exploited by an unauthenticated attacker to gain access to user data.
How can I fix CVE-2022-36331?
To fix CVE-2022-36331, update your affected devices to My Cloud OS 5 devices version 5.25.132 or later.
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