How severe is CVE-2021-22152?

CVE-2021-22152 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-22152 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22152?

CVE-2021-22152 primarily affects Blackberry Unified Endpoint Management. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22152?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22152 published?

CVE-2021-22152 was published on 2021-05-13 and last updated on 2026-06-17.

CVE-2021-22152

CVE-2021-22152 is a medium-severity vulnerability in Blackberry Unified Endpoint Management with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Blackberry Unified Endpoint Management
Published: 2021-05-13
Last modified: 2026-06-17

Description

A Denial of Service due to Improper Input Validation vulnerability in the Management Console component of BlackBerry UEM version(s) 12.13.1 QF2 and earlier and 12.12.1a QF6 and earlier could allow an attacker to potentially to prevent any new user connections.

Frequently asked questions

What is CVE-2021-22152?: A Denial of Service due to Improper Input Validation vulnerability in the Management Console component of BlackBerry UEM version(s) 12.13.1 QF2 and earlier and 12.12.1a QF6 and earlier could allow an attacker to potentially to prevent any new user connections.
How severe is CVE-2021-22152?: CVE-2021-22152 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-22152 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22152?: CVE-2021-22152 primarily affects Blackberry Unified Endpoint Management. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22152?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22152 published?: CVE-2021-22152 was published on 2021-05-13 and last updated on 2026-06-17.

References

https://support.blackberry.com/kb/articleDetail?articleNumber=000078971

Affected products (11)

cpe:2.3:a:blackberry:unified_endpoint_management:*:*:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_1:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_2:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_3:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_4:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_5:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.12.1a:quick_fix_6:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.13.0:-:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.13.0:mr1:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.13.1:quick_fix_1:*:*:*:*:*:*
cpe:2.3:a:blackberry:unified_endpoint_management:12.13.1:quick_fix_2:*:*:*:*:*:*

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