mitel micollab CVE-2022-26143 vulnerability in Mitel Products
Published on March 10, 2022

The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.

Vendor Advisory NVD

Known Exploited Vulnerability

This MiCollab, MiVoice Business Express Access Control Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.

The following remediation steps are recommended / required by April 15, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2022-26143 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Missing Authentication for Critical Function

The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.


Products Associated with CVE-2022-26143

You can be notified by stack.watch whenever vulnerabilities like CVE-2022-26143 are published in these products:

Mitel Micollab
 
Mitel Mivoice Business Express
 

What versions are vulnerable to CVE-2022-26143?