What’s Vulnerable › Vulnerabilities

CVE-2022-22994: Insufficient Verification of Data Authenticity Remote Code Execution Vulnerability on Western Digital My Cloud devices.

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-28 · updated 2026-06-17
• Weakness: CWE-345

Description

A remote code execution vulnerability was discovered on Western Digital My Cloud devices where an attacker could trick a NAS device into loading through an unsecured HTTP call. This was a result insufficient verification of calls to the device. The vulnerability was addressed by disabling checks for internet connectivity using HTTP.

Affected products

• Western Digital My Cloud: before 5.19.117 — fixed in 5.19.117

How to fix

Upgrade to a fixed version: Western Digital My Cloud 5.19.117. Check the vendor advisory for mitigations.

References

• https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117
• https://www.zerodayinitiative.com/advisories/ZDI-22-349/
• https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117
• https://www.zerodayinitiative.com/advisories/ZDI-22-349/

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