Auth bypass in Westerndigital My_cloud_os
CVE-2021-36225
Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.
Vulnerability class: Broken Access Control
EPSS: 0.010 (59.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Westerndigital My_cloud_os
- Westerndigital My_cloud_pr4100
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36225?
- CVE-2021-36225 is a high-severity vulnerability in Westerndigital My_cloud_os, classified under Missing Authorization. CVSS score: 8.8/10. Published 2023-02-06.
- How severe is CVE-2021-36225?
- High severity. CVSS v3 base score is 8.8 out of 10.