CVE-2020-28971

CRITICAL

Western Digital My Cloud OS 5 < 5.06.115 - Unauthenticated Authentication Bypass via Cookie

Title source: llm
STIX 2.1

Description

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, because of insufficient validation of URI paths.

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_misc
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-1447/

Scores

CVSS v3 9.8
EPSS 0.0379
EPSS Percentile 88.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (1)
westerndigital/my_cloud_os_5 < 5.06.115
Published Dec 01, 2020
Tracked Since Feb 18, 2026