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Western Digital My Cloud OS 5 Firmware 5.31.101

WDC Tracking Number: WDC-25003
Product Line/Web: My Cloud OS 5
Published: May 2, 2025

Last Updated: May 2, 2025

Description

My Cloud Firmware 5.31.101 includes updates to help improve the security of your My Cloud devices.

To take advantage of the latest security fixes, Western Digital recommends that users promptly update their devices to the latest firmware by clicking on the firmware update notification.

Product Impact
Last Updated
My Cloud PR2100
May 2, 2025
My Cloud PR4100
May 2, 2025
My Cloud Mirror Gen 2
May 2, 2025
My Cloud EX4100
May 2, 2025
My Cloud EX2100
May 2, 2025
My Cloud EX2 Ultra
May 2, 2025
My Cloud DL4100
May 2, 2025
My Cloud WDBCTLxxxxxx-10
May 2, 2025

For more information on the latest security updates, see the release notes.

Advisory Summary

Updated open-source Python3 package to version 3.9.2-1+deb11u3 to resolve the following CVEs:

CVE Number: CVE-2021-29921, CVE-2015-20107, CVE-2022-45061, CVE-2023-24329, CVE-2021-3737, CVE-2023-6597, CVE-2024-0450, CVE-2021-28861, CVE-2022-0391, CVE-2022-26488, and CVE-2020-10735

Updated WD Application WordPress to version 1.12 to upgrade the Requests package.

CVE Number: CVE-2021-29476

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