Vulnerability in Westerndigital My_cloud_os

CVE-2021-36226

Western Digital My Cloud devices before OS5 do not use cryptographically signed Firmware upgrade files.

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-36226?
CVE-2021-36226 is a critical-severity vulnerability in Westerndigital My_cloud_os, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2023-02-06.
How severe is CVE-2021-36226?
Critical severity. CVSS v3 base score is 9.8 out of 10.