SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-36331

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.

HIGH 7.5EPSS 0.59%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.59% probability · 48th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-290
Affected
westerndigital/my cloud pr2100 firmware · westerndigital/my cloud pr4100 firmware · westerndigital/my cloud ex4100 firmware · westerndigital/my cloud ex2 ultra firmware · westerndigital/my cloud mirror g2 firmware · westerndigital/my cloud dl2100 firmware · westerndigital/my cloud dl4100 firmware · westerndigital/my cloud ex2100 firmware · westerndigital/my cloud home firmware · westerndigital/my cloud home duo firmware · westerndigital/sandisk ibi firmware · westerndigital/my cloud firmware
Source
psirt@wdc.com
EPSS trend
0%3%5%26 October 2026: 0.59%26 October 202626 October 2026

EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.