CVE-2021-37375 : What You Need to Know

A Cross Site Scripting (XSS) vulnerability in Teradek VidiU/VidiU Mini firmware version 3.0.8 and earlier has been identified, allowing remote attackers to execute arbitrary code via the Friendly Name field in System Information Settings. Please note that the vendor has declared this product as End of Life without any planned firmware updates.

Understanding CVE-2021-37375

This section will delve into the details of the CVE-2021-37375 vulnerability.

What is CVE-2021-37375?

CVE-2021-37375 is a Cross Site Scripting (XSS) vulnerability found in Teradek VidiU/VidiU Mini firmware versions 3.0.8 and prior. This security flaw enables malicious actors to execute arbitrary code by manipulating the Friendly Name field within System Information Settings.

The Impact of CVE-2021-37375

The exploitation of this vulnerability can lead to unauthorized code execution by remote attackers. As the affected product has reached End of Life status without any firmware updates, the risk of exploitation remains significant.

Technical Details of CVE-2021-37375

Let's explore the technical aspects related to CVE-2021-37375.

Vulnerability Description

The vulnerability arises due to improper input validation, allowing attackers to inject and execute malicious scripts via the Friendly Name field.

Affected Systems and Versions

Teradek VidiU and VidiU Mini firmware versions 3.0.8 and earlier are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by crafting malicious input in the Friendly Name field, leading to the execution of arbitrary code.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent the exploitation of CVE-2021-37375.

Immediate Steps to Take

Given the lack of vendor patches, it is crucial to implement strong network segmentation and access controls to mitigate the risk of exploitation.

Long-Term Security Practices

It is advisable to discontinue the use of the affected products and seek updated alternatives with active firmware support.

Patching and Updates

As the affected product is no longer receiving updates, it is recommended to transition to more secure and supported devices to ensure ongoing protection.