CVE-2022-29844

criticalpriority · attend · 52EPSS 0.364 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

36.4% (98th) EPSS

CVSS 9.8 · critical

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-25

A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities to the attacker.

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 · 6.7–9.8

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

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · psirt@wdc.comexploitability 1.4 · impact 5.2

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · 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-22USCWE-23US

affected products (19)

Products and version ranges known to be affected.

Western Digital My CloudMy Cloud OS 5 → 5.26.119enisa_euvdEU
Western Digital Corporation My Cloud DL2100≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud DL4100≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud EX2 Ultra≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud EX2100≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud EX4100≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud Mirror Gen 2≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud OS≤ 5.26.119fstec_bduRU
Western Digital Corporation My Cloud PR2100≤ 5.26.119fstec_bduRU
Western Digital Corporation MyCloud PR4100 firmware≤ 5.26.119fstec_bduRU
Western Digital Corporation Western Digital MyCloud NAS≤ 5.26.119fstec_bduRU
westerndigital my cloud dl2100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud dl4100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud ex2 ultra firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud ex2100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud ex4100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud mirror g2 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud pr2100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:*
westerndigital my cloud pr4100 firmware< 5.26.119nvdUScpe:2.3:o:westerndigital:my_cloud_pr4100_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 2023-01-26modified 2026-06-17

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+12489 more

references (5)

External citations — patches, advisories, analysis.

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