CVE-2022-36327 json
Path traversal vulnerability leading to an arbitrary file write in Western Digital devices
published 3y ago modified 4mo ago also EUVD-2022-39043
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Western Digital My Cloud Home and My Cloud Home Duo 9.4.0-191
- SanDisk ibi 9.4.0-191
- Western Digital My Cloud OS 5 5.26.202
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Western Digital My Cloud Home and My Cloud Home Duo
- SanDisk ibi
- Western Digital My Cloud OS 5
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
westerndigital.com
/support/product-security/wdc-23003-western-digital-my-cloud-home-my-cloud-home-duo-and-sandisk-ibi-firmware-v
release-notes, vendor-advisory
-
westerndigital.com
/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202
release-notes, vendor-advisory
Sources
- CVE List CVE-2022-36327
- NVD CVE-2022-36327
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