Impersonation attack causing an Authentication Bypass on Western Digital devices
Priority MEDIUM 50CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.
Summary
Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation attack that could allow an unauthenticated attacker to gain access to user data. This issue affects My Cloud OS 5 devices: before 5.25.132; My Cloud Home and My Cloud Home Duo: before 8.13.1-102; SanDisk ibi: before 8.13.1-102.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00591 48th percentileScored 2026-11-07
Fix Fixed My Cloud OS 5 (Western Digital): 5.25.132My Cloud Home and My Cloud Home Duo (Western Digital): 8.13.1-102+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 OS 5 | before 5.25.132 | 5.25.132 | Patch available | CNA |
| Western Digital | My Cloud Home and My Cloud Home Duo | before 8.13.1-102 | 8.13.1-102 | Patch available | CNA |
| SanDisk | ibi | before 8.13.1-102 | 8.13.1-102 | Patch available | CNA |
- My Cloud OS 5 VendorWestern Digital Affected before 5.25.132 Fixed in 5.25.132 Patch available CNA
- My Cloud Home and My Cloud Home Duo VendorWestern Digital Affected before 8.13.1-102 Fixed in 8.13.1-102 Patch available CNA
- ibi VendorSanDisk Affected before 8.13.1-102 Fixed in 8.13.1-102 Patch available CNA
CPE configurations NVD · 24
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:* | before 8.13.1-102 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_home:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:* | before 8.13.1-102 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_home_duo:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:* | before 8.13.1-102 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:sandisk_ibi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:* | before 5.25.132 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:* Versions before 8.13.1-102 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_home:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:* Versions before 8.13.1-102 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_home_duo:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:* Versions before 8.13.1-102 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:sandisk_ibi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:* Versions before 5.25.132 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Remediation
- Fix · CNA My Cloud OS 5 (Western Digital) Fixed in 5.25.132
- Fix · CNA My Cloud Home and My Cloud Home Duo (Western Digital) Fixed in 8.13.1-102
- Fix · CNA ibi (SanDisk) Fixed in 8.13.1-102
Timeline
- 2026-10-02 Threatist record created from CVE-2022-36331
- 2026-10-03 Alias added: GHSA-q3w5-whrj-66qg
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-2022-36331 · CVE Program
- CVE-2022-36331 · NVD
- FIRST EPSS
- GHSA-q3w5-whrj-66qg · 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