CVE-2021-32021: Blackberry Protect

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.

Affected products

• Blackberry Protect: up to and including 1574

Published 2021-11-10. Last modified 2026-06-17.