CVE-2021-28815 : What You Need to Know

A security vulnerability has been identified in myQNAPcloud Link, a product by QNAP Systems Inc., that allows remote attackers to access sensitive information due to insecure storage. This CVE impacts versions prior to 2.2.21 on QTS 4.5.3, QuTS hero h4.5.2, and QuTScloud c4.5.4.

Understanding CVE-2021-28815

This section will delve into the details of the CVE-2021-28815 vulnerability.

What is CVE-2021-28815?

CVE-2021-28815 is characterized by insecure storage of sensitive information in myQNAPcloud Link, potentially enabling unauthorized access to protected data.

The Impact of CVE-2021-28815

The exploitation of this vulnerability could lead to high confidentiality impact, allowing remote threat actors to read critical information stored on affected devices.

Technical Details of CVE-2021-28815

Let's explore the technical aspects of CVE-2021-28815 further.

Vulnerability Description

The vulnerability arises from the inadequate protection of sensitive data stored on QNAP NAS devices running myQNAPcloud Link.

Affected Systems and Versions

Product: myQNAPcloud Link
Vendor: QNAP Systems Inc.
Affected Versions:
QTS 4.5.3
QuTS hero h4.5.2
QuTScloud c4.5.4
Versions Less Than: 2.2.21

Exploitation Mechanism

Remote attackers can exploit this vulnerability to retrieve sensitive information by leveraging the unrestricted storage mechanism on the affected QNAP NAS devices.

Mitigation and Prevention

Here are the steps to mitigate and prevent the CVE-2021-28815 vulnerability.

Immediate Steps to Take

Users of affected versions should update to myQNAPcloud Link 2.2.21 or later to secure their devices against this vulnerability.

Long-Term Security Practices

Regularly update and patch your QNAP NAS systems and associated software to prevent potential security breaches.

Patching and Updates

Ensure that you install security updates provided by QNAP Systems Inc. promptly to address vulnerabilities and enhance the protection of your devices.