CVE-2020-28971 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115 https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads https://www.zerodayinitiative.com/advisories/ZDI-20-1447/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8