CVE-2022-36331 Impersonation attack causing an Authentication Bypass on Western Digital devices

What is CVE-2022-36331?

CVE-2022-36331 is a critical authentication bypass vulnerability in SanDisk My Cloud Home and My Cloud Home Duo, published on 12 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation attack that could allow an unauthenticated attacker to gain access to user data. This issue affects My Cloud OS 5 devices: before 5.25.132; My Cloud Home and My Cloud Home Duo: before 8.13.1-102; SanDisk ibi: before 8.13.1-102.

Weakness: CWE-290

Which versions are affected by CVE-2022-36331?

It affects 12 products.

Products include Westerndigital My Cloud Dl2100 Firmware, Westerndigital My Cloud Dl4100 Firmware, Westerndigital My Cloud Ex2100 Firmware, Westerndigital My Cloud Ex2 Ultra Firmware, Westerndigital My Cloud Ex4100 Firmware, Westerndigital My Cloud Firmware and 6 more.

How do I fix CVE-2022-36331?

No fix has been published for CVE-2022-36331 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-36331 being exploited?

There is no known exploitation of CVE-2022-36331 in the wild and no public exploit code.

Other vulnerabilities in SanDisk My Cloud Home and My Cloud Home Duo

• CVE-2019-9950 Auth bypass in n/a Critical 9.8
• CVE-2019-9949 Path traversal in n/a High 8.8
• CVE-2022-22999 Cross-site Scripting Vulnerability in USB Backups App High 8.2
• CVE-2022-23000 Weak Default SSL use in Port Forwarding Service High 7.3
• CVE-2022-29844 Western Digital My Cloud OS 5 arbitrary file read and write vulnerability via ftp Medium 6.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q3w5-whrj-66qg.