CWE
22 23
Advisory Published
Updated

CVE-2022-29844: Western Digital My Cloud OS 5 arbitrary file read and write vulnerability via ftp

First published: Wed Jan 25 2023(Updated: )

A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities to the attacker.

Credit: psirt@wdc.com

Affected SoftwareAffected VersionHow to fix
Westerndigital My Cloud Pr2100 Firmware<5.26.119
Westerndigital My Cloud Pr2100
Westerndigital My Cloud Pr4100 Firmware<5.26.119
Westerndigital My Cloud Pr4100
Westerndigital My Cloud Ex4100 Firmware<5.26.119
Westerndigital My Cloud Ex4100
Westerndigital My Cloud Ex2 Ultra Firmware<5.26.119
Westerndigital My Cloud Ex2 Ultra
Westerndigital My Cloud Mirror G2 Firmware<5.26.119
Westerndigital My Cloud Mirror G2
Westerndigital My Cloud Dl2100 Firmware<5.26.119
Westerndigital My Cloud Dl2100
Westerndigital My Cloud Dl4100 Firmware<5.26.119
Westerndigital My Cloud Dl4100
Westerndigital My Cloud Ex2100 Firmware<5.26.119
Westerndigital My Cloud Ex2100

Remedy

Western Digital recommends that users promptly update their devices to the latest firmware by clicking on the firmware update notification.

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Frequently Asked Questions

  • What is CVE-2022-29844?

    CVE-2022-29844 is a vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119.

  • How does CVE-2022-29844 impact Western Digital My Cloud OS 5 devices?

    CVE-2022-29844 allows an attacker to read and write arbitrary files, potentially leading to a full NAS compromise and remote execution capabilities.

  • What is the severity of CVE-2022-29844?

    CVE-2022-29844 has a severity rating of 9.8 (Critical).

  • Which Western Digital My Cloud devices are affected by CVE-2022-29844?

    CVE-2022-29844 affects Western Digital My Cloud PR2100, PR4100, EX4100, EX2 Ultra, Mirror G2, DL2100, DL4100, and Ex2100 devices with firmware versions prior to 5.26.119.

  • How can I fix CVE-2022-29844?

    To fix CVE-2022-29844, update the firmware of your Western Digital My Cloud OS 5 device to version 5.26.119 or later. It is recommended to regularly check for firmware updates and apply them promptly to ensure security.

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