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CVE-2022-36331

Impersonation attack causing an Authentication Bypass on Western Digital devices

Critical10.0EPSS 0.59%
Published
Updated
Reserved
Assigned by
WDC PSIRT

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.

Scores

CVSS scores of CVE-2022-36331, by who scored it
Scored byCVSSScoreVector
WDC PSIRTCNA (assigner)3.1Critical10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.59% · top 52% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.

Weakness

Affected products

  • Western Digital · My Cloud OS 5

    • affected < 5.25.132
  • Western Digital · My Cloud Home and My Cloud Home Duo

    • affected < 8.13.1-102
  • SanDisk · ibi

    • affected < 8.13.1-102

What to do

Solution: All My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices have been or will be automatically updated to the latest firmware version. Cloud access will not be available until your My Cloud Home/My Cloud Home Duo/SanDisk ibi device has been updated to firmware version 8.13.1-102 or above. Please refer to this KBA https://support-en.wd.com/app/answers/detailweb/a_id/50563 . Users of other My Cloud devices should promptly update to the latest firmware by clicking the firmware update notification to receive the latest security fixes. Cloud access will not be available until your My Cloud device has been updated to firmware version 5.25.132 or above. Please refer to this KBA https://support-en.wd.com/app/answers/detailweb/a_id/50564 .

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .