CVE-2021-32021 Denial of service in BlackBerry Protect for Windows
An attacker can cause a denial of service and potentially execute code with admin privileges in BlackBerry Protect for Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32021?
CVE-2021-32021 is a high-severity denial of service vulnerability in BlackBerry Protect for Windows, published on 10 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-32021?
It affects 1 product.
Products include Blackberry Protect.
How do I fix CVE-2021-32021?
No fix has been published for CVE-2021-32021 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-32021 being exploited?
There is no known exploitation of CVE-2021-32021 in the wild and no public exploit code.
Other vulnerabilities in BlackBerry Protect for Windows
Sources
Also known as GHSA-rjpc-fqr6-4p6r.