Home/CVE/Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation
CVE

CVE-2022-36331

Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation

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.

CRITICAL · CVSS 10 EPSS 0.0032
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-290Authentication Bypass by Spoofing
CWE-290Authentication Bypass by Spoofing
▤

Affected Products & Versions

12
westerndigital my cloud pr2100 firmware< 5.25.132
westerndigital my cloud pr4100 firmware< 5.25.132
westerndigital my cloud ex4100 firmware< 5.25.132
westerndigital my cloud ex2 ultra firmware< 5.25.132
westerndigital my cloud mirror g2 firmware< 5.25.132
westerndigital my cloud dl2100 firmware< 5.25.132
westerndigital my cloud dl4100 firmware< 5.25.132
westerndigital my cloud ex2100 firmware< 5.25.132
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · psirt@wdc.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jun 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://https://www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-updateBroken Link
https://www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-updateVendor Advisory
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