Home/CVE/Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacke
CVE

CVE-2022-36327

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacke

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires an authentication bypass issue to be triggered before this can be exploited. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191.

ibi: before 9.4.0-191.

My Cloud OS 5: before 5.26.202.

MEDIUM · CVSS 5.8 EPSS 0.00313
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

4
westerndigital my cloud os 5< 5.26.202
westerndigital my cloud home firmware< 9.4.0-191
westerndigital sandisk ibi firmware< 9.4.0-191
westerndigital my cloud home duo firmware< 9.4.0-191
▣

Scoring & Timeline

5.8
MEDIUM · 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 NVD18 May 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
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://www.westerndigital.com/support/product-security/wdc-23003-western-digital-my-cloud-home-my-cloud-home-duo-and-sandisk-ibi-firmware-version-9-4-0-191Release NotesVendor Advisory
https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202Release NotesVendor Advisory
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