CVE-2021-32021
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.30% probability · 23th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- blackberry/protect
- Source
- secure@blackberry.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.