CVE-2021-32021

Name: CVE-2021-32021
Creator: NVD / NIST
Published: 2021-11-10T18:15:08.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2021-32021 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.29%

20.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Blackberry	Protect	<= 1574

References

https://support.blackberry.com/kb/articleDetail?articleNumber=000088685Vendor Advisory
https://support.blackberry.com/kb/articleDetail?articleNumber=000088685Vendor Advisory

Timeline

Published: Nov 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32021?

How severe is CVE-2021-32021?

CVE-2021-32021 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32021?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST