CVE-2022-22993: Limited Server-Side Request Forgery vulnerability on Western Digital My Cloud devices.

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% 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-918

Description

A limited SSRF vulnerability was discovered on Western Digital My Cloud devices that could allow an attacker to impersonate a server and reach any page on the server by bypassing access controls. The vulnerability was addressed by creating a whitelist for valid parameters.

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-22-348/
https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117
https://www.zerodayinitiative.com/advisories/ZDI-22-348/

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