CVE-2020-28940 : What You Need to Know

On Western Digital My Cloud OS 5 devices before 5.06.115, an authentication bypass vulnerability exists in the NAS Admin dashboard, allowing unauthenticated users to execute privileged commands.

Understanding CVE-2020-28940

This CVE identifies a security issue in Western Digital My Cloud OS 5 devices that could lead to unauthorized access and execution of commands.

What is CVE-2020-28940?

The vulnerability in the NAS Admin dashboard of Western Digital My Cloud OS 5 devices allows attackers to bypass authentication and run privileged commands without proper authorization.

The Impact of CVE-2020-28940

The exploitation of this vulnerability could result in unauthorized access to sensitive information, manipulation of device settings, and potential compromise of the affected device's security.

Technical Details of CVE-2020-28940

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in the NAS Admin dashboard of Western Digital My Cloud OS 5 devices allows unauthenticated users to execute privileged commands, posing a significant security risk.

Affected Systems and Versions

Affected System: Western Digital My Cloud OS 5 devices
Vulnerable Versions: Before 5.06.115

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the NAS Admin dashboard without proper authentication, enabling them to execute commands with elevated privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-28940 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the affected devices to version 5.06.115 or later to patch the vulnerability.
Restrict network access to the NAS Admin dashboard to trusted users only.
Monitor device logs for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches on all network-connected devices.
Implement strong password policies and multi-factor authentication to enhance access control.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure timely installation of firmware updates and security patches provided by Western Digital to address the authentication bypass vulnerability in My Cloud OS 5 devices.