CVE-2021-25695 : What You Need to Know

A vulnerability has been identified in the USB vHub component of the Teradici PCOIP Software Agent prior to version 21.07.0. Attackers could exploit this vulnerability to elevate privileges by manipulating program execution within the vHub driver.

Understanding CVE-2021-25695

This section will delve into what CVE-2021-25695 entails, its impact, technical details, mitigation strategies, and more.

What is CVE-2021-25695?

The USB vHub in the Teradici PCOIP Software Agent before version 21.07.0 would respond to commands from any application, potentially enabling bad actors to raise privileges by altering program execution within the vHub driver.

The Impact of CVE-2021-25695

The vulnerability in CVE-2021-25695 could result in threat actors exploiting the USB vHub to escalate privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2021-25695

Let's explore the technical specifics of CVE-2021-25695 to better understand its implications.

Vulnerability Description

The flaw in the USB vHub of the Teradici PCOIP Software Agent pre-version 21.07.0 could allow unauthorized interaction from various applications, potentially leading to privilege escalation attacks.

Affected Systems and Versions

The vulnerability impacts the PCoIP Agent for Windows version 21.07.0. Users of this specific version should take immediate security measures to prevent exploitation.

Exploitation Mechanism

Bad actors can exploit this vulnerability by sending arbitrary commands to the USB vHub driver, thereby manipulating the flow of program execution and achieving privilege escalation.

Mitigation and Prevention

In this section, we will outline essential steps to mitigate the risks associated with CVE-2021-25695 and prevent potential cyber threats.

Immediate Steps to Take

Users are advised to update the Teradici PCOIP Software Agent to version 21.07.0 or above to address the USB vHub vulnerability and prevent potential privilege escalation attacks.

Long-Term Security Practices

To enhance overall system security, it is recommended to implement robust access control measures, regularly update software components, and conduct security assessments to identify vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from Teradici and promptly apply patches and updates to the PCOIP Software Agent to mitigate known vulnerabilities and safeguard systems from exploitation.