CVE-2021-32070 : What You Need to Know

MiCollab Client Service in Mitel MiCollab before 9.3 is vulnerable to a clickjacking attack due to an insecure header response. An attacker could exploit this to modify the browser header and redirect users.

Understanding CVE-2021-32070

This CVE identifies a security vulnerability in the MiCollab Client Service component of Mitel MiCollab before version 9.3.

What is CVE-2021-32070?

The MiCollab Client Service component in Mitel MiCollab before 9.3 could allow an attacker to perform a clickjacking attack due to an insecure header response. A successful exploit could allow an attacker to modify the browser header and redirect users.

The Impact of CVE-2021-32070

The vulnerability could be exploited by malicious actors to manipulate the browser header and potentially redirect users to malicious websites, leading to phishing attacks or further exploitation of user systems.

Technical Details of CVE-2021-32070

The technical details of CVE-2021-32070 are as follows:

Vulnerability Description

The vulnerability arises from a lack of proper validation in the MiCollab Client Service component, enabling attackers to craft a clickjacking attack through the insecure header response.

Affected Systems and Versions

Mitel MiCollab versions before 9.3 are affected by this vulnerability.

Exploitation Mechanism

An attacker can exploit this vulnerability by manipulating the browser header, potentially redirecting users to malicious sites.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-32070, users and system administrators should take the following steps:

Immediate Steps to Take

Upgrade to Mitel MiCollab version 9.3 or later to eliminate the vulnerability
Implement security best practices to protect against clickjacking attacks

Long-Term Security Practices

Regularly update software and systems to latest secure versions
Conduct security training to increase awareness of potential threats

Patching and Updates

Ensure that all security patches and updates provided by Mitel are promptly applied to prevent exploitation of known vulnerabilities.