Cyber Resilience

CVE-2022-36327

Medium

Published: 18 May 2023

Published
18 May 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
EPSS Score 0.0031 54.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-36327 is a medium-severity Path Traversal (CWE-22) vulnerability in Westerndigital My Cloud Os 5. Its CVSS base score is 5.8 (Medium).

Operationally, ranked in the top 45.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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,…

more

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.

CWE(s)
CWE-22

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References