Improper Authentication in Western Digital products - CVE-2020-28940

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Main Vulnerability Database Vulnerabilities #VU49031

Improper Authentication in Western Digital products - CVE-2020-28940

Published: December 1, 2020 / Updated: December 16, 2020


Vulnerability identifier: #VU49031
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-28940
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
My Cloud PR2100
My Cloud PR4100
My Cloud EX2 Ultra
My Cloud EX4100
My Cloud Mirror Gen 2
Software vendor:
Western Digital

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests within the nasAdmin service. A remote attacker on the local network can bypass authentication process and execute arbitrary commands on the device.


Remediation

Install updates from vendor's website.

External links