How severe is CVE-2021-32023?

CVE-2021-32023 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32023?

CVE-2021-32023 affects Blackberry Protect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32023?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-32023 published?

CVE-2021-32023 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2021-32023

CVE-2021-32023 is a high-severity vulnerability in Blackberry Protect with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Blackberry Protect
Published: 2021-11-10
Last modified: 2026-06-17

Description

An elevation of privilege 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.

Frequently asked questions

What is CVE-2021-32023?: An elevation of privilege 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.
How severe is CVE-2021-32023?: CVE-2021-32023 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32023?: CVE-2021-32023 affects Blackberry Protect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-32023 published?: CVE-2021-32023 was published on 2021-11-10 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:blackberry:protect:*:*:*:*:*:windows:*:*

More vulnerabilities in Blackberry Protect

CVE-2021-32021 — High (CVSS 7.8): A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and…
CVE-2021-32022 — Medium (CVSS 5.5): A low privileged delete vulnerability using CEF RPC server of BlackBerry Protect for Windows version(s) versions 1574…

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