Auth bypass in Westerndigital My_cloud_ex2_ultra

CVE-2020-28970

An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to execute privileged commands on the device via a cookie. (In addition…

Vulnerability class: Broken Authentication

EPSS: 0.039 (89.0th 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-2020-28970?
CVE-2020-28970 is a critical-severity vulnerability in Westerndigital My_cloud_ex2_ultra, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-12-01.
How severe is CVE-2020-28970?
Critical severity. CVSS v3 base score is 9.8 out of 10.