Improper Authentication in Western Digital products - CVE-2022-36331

Vulnerability identifier: #VU77147

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-36331

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Western Digital

Affected software:
My Cloud PR2100
My Cloud PR4100
My Cloud EX4100
My Cloud EX2 Ultra
My Cloud Mirror G2
My Cloud DL4100
My Cloud EX2100
WD Cloud
My Cloud
My Cloud Home
My Cloud Home Duo
SanDisk ibi

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper authentication within the way the device connects with cloud services. A remote attacker can bypass authentication process and gain access to user data.

Install updates from vendor's website.

• https://www.zerodayinitiative.com/advisories/ZDI-23-847/
• https://www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-update
• https://www.zerodayinitiative.com/advisories/ZDI-23-846/