CVE-2022-36327

criticalpriority · track · 40EPSS 0.015 · 74 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.47% (74th) EPSS

CVSS 9.8 · critical

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.8–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.8mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:Nsecondary · ENISA EU

v3.15.8mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:Nsecondary · psirt@wdc.comexploitability 1.3 · impact 4

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US

affected products (20)

Products and version ranges known to be affected.

My Cloud Home and My Cloud Home Duo0 → 9.4.0-191enisa_euvdEU
My Cloud OS 50 → 5.26.202enisa_euvdEU
ibi0 → 9.4.0-191enisa_euvdEU
Western Digital Corporation My Cloud≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud DL2100≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud DL4100≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud EX2 Ultra≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud EX2100≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud EX4100≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud Home≤ 9.4.0-191fstec_bduRU
Western Digital Corporation My Cloud Home Duo≤ 9.4.0-191fstec_bduRU
Western Digital Corporation My Cloud Mirror Gen 2≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud PR2100≤ 5.26.202fstec_bduRU
Western Digital Corporation My Cloud PR4100≤ 5.26.202fstec_bduRU
Western Digital Corporation SanDisk ibi≤ 9.4.0-191fstec_bduRU
Western Digital Corporation WD Cloud≤ 5.26.202fstec_bduRU
westerndigital my cloud home duo firmware< 9.4.0-191nvdUScpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud home firmware< 9.4.0-191nvdUScpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud os 5< 5.26.202nvdUScpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*
westerndigital sandisk ibi firmware< 9.4.0-191nvdUScpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-05-18modified 2026-06-17

related (12,525)

Related entries.

ID	severity	EPSS	exploitable	published
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An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
CVE-2026-59310US	—OT critical	2.56% (85th)	KEV	2026-07-30
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+12520 more

references (7)

External citations — patches, advisories, analysis.

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