CVE-2022-36331

Impersonation attack causing an Authentication Bypass on Western Digital devices

HIGH
7.5
CVSS Score
Published: June 12, 2023 at 05:57 PM UTC
Updated: June 17, 2026 at 04:53 AM UTC
26 products affected across 2 vendorsMy Cloud EX2 Ultra FirmwareMy Cloud FirmwareMy Cloud Home Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 8.13.1-102
Affected range stops below 8.13.1-102, so it looks safe — our inference, not a vendor statement
westerndigital-my-cloud-home-duo (same device)
v < 8.13.1-102
Affected range stops below 8.13.1-102, so it looks safe — our inference, not a vendor statement
westerndigital-my-cloud-home (same device)
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement
v < 5.25.132
Affected range stops below 5.25.132, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-290

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