What’s Vulnerable › Vulnerabilities

CVE-2022-29840: Server Side Request Forgery Vulnerability in Western Digital My Cloud Devices

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-10 · updated 2026-06-17
• Weakness: CWE-918

Description

Server-Side Request Forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL to point back to the loopback adapter was addressed in Western Digital My Cloud OS 5 devices. This could allow the URL to exploit other vulnerabilities on the local server.This issue affects My Cloud OS 5 devices before 5.26.202.

Affected products

• Western Digital My Cloud: from 5.02.104 before 5.26.202 — fixed in 5.26.202

How to fix

Upgrade to a fixed version: Western Digital My Cloud 5.26.202. Check the vendor advisory for mitigations.

References

• https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202
• https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202

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