Mitel Product Security Advisory 22-0009

Mitel MiCollab Authorization Control Vulnerability

Advisory ID: 22-0009

Publish Date: 2022-10-12

Last Updated: 2022-10-12

Revision: 1.0



A vulnerability has been identified in the web conferencing component of Mitel MiCollab which could allow an unauthenticated attacker to upload arbitrary scripts. A successful exploit could allow an attacker to perform remote code execution within the context of the application.

Mitel is recommending customers with affected product versions apply the available remediation.


Affected Products

  Note: MiVoice Business Express included earlier versions of MiCollab and is also affected.


Risk Assessment

The risk for this vulnerability is rated as Critical. Refer to the product Security Bulletin for additional statements regarding risk.


Mitigation / Recommended Action

Mitel has made available remediation for current and earlier releases of MiCollab. Customers are recommended to apply the remediations.

Customers are advised to review the product Security Bulletin. For additional information, contact Mitel Product Support.


Related CVEs / CWEs / Advisories



Revision History

Version Date Description
1.0 2022-10-12 Initial Version
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