Path Traversal Vulnerability leading to an arbitrary file read in Western Digital devices
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to create arbitrary shares on arbitrary directories and exfiltrate sensitive files, passwords, users and device configurations was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This can only be exploited once an attacker gains root privileges on the devices using an authentication bypass issue or another vulnerability.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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Western Digital | My Cloud Home and My Cloud Home Duo | before 9.4.0-191 | 9.4.0-191 | Patch available | CNA |
| SanDisk | ibi | before 9.4.0-191 | 9.4.0-191 | Patch available | CNA |
| Western Digital | My Cloud OS 5 | before 5.26.202 | 5.26.202 | Patch available | CNA |
- My Cloud Home and My Cloud Home Duo VendorWestern Digital Affected before 9.4.0-191 Fixed in 9.4.0-191 Patch available CNA
- ibi VendorSanDisk Affected before 9.4.0-191 Fixed in 9.4.0-191 Patch available CNA
- My Cloud OS 5 VendorWestern Digital Affected before 5.26.202 Fixed in 5.26.202 Patch available CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:* | before 5.26.202 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:* Versions before 5.26.202 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:westerndigital:wd_cloud:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:* | before 9.4.0-191 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_home:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:* | before 9.4.0-191 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:sandisk_ibi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:* | before 9.4.0-191 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_home_duo:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:h:westerndigital:wd_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:* Versions before 9.4.0-191 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_home:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:* Versions before 9.4.0-191 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:sandisk_ibi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:* Versions before 9.4.0-191 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_home_duo:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Remediation
- Fix · CNA My Cloud Home and My Cloud Home Duo (Western Digital) Fixed in 9.4.0-191
- Fix · CNA ibi (SanDisk) Fixed in 9.4.0-191
- Fix · CNA My Cloud OS 5 (Western Digital) Fixed in 5.26.202
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
SanDisk ibi 9.4.0-191
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-16674 Path traversal vulnerability leading to an arbitrary file write in Western Digital devicesPriority MEDIUM 45
- TI-2022-16673 Resource Exhaustion Vulnerability in Western Digital devicesPriority LOW 23
- Release ·
Western Digital My Cloud Home and My Cloud Home Duo, My Cloud OS 5 5.26.202, 9.4.0-191
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-16674 Path traversal vulnerability leading to an arbitrary file write in Western Digital devicesPriority MEDIUM 45
- TI-2022-16673 Resource Exhaustion Vulnerability in Western Digital devicesPriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2022-36328
- 2026-10-03 Alias added: GHSA-5445-wchw-r2mr
References
More Western Digital vulnerabilities
- TI-2016-08187 Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud… CVSS 3.0CRITICAL 9.8
- TI-2018-12259 It was discovered that the Western Digital My Cloud device before 2.30.196 is affected by… CVSS 3.0CRITICAL 9.8
- TI-2022-12204 Western Digital My Cloud OS 5 arbitrary file read and write vulnerability via ftp CVSS 3.1CRITICAL 9.8
- TI-2016-08186 Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud… CVSS 3.0CRITICAL 9.8
- TI-2018-01067 Memory corruption in Western Digital TV Media Player CVSS 3.0CRITICAL 9.8
- TI-2022-12202 Command Injection Vulnerability in Western Digital My Cloud devices CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-36328 · CVE Program
- CVE-2022-36328 · NVD
- FIRST EPSS
- GHSA-5445-wchw-r2mr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences