CVE-2021-22152:Denial of Service vulnerability in BlackBerry UEM Management Console due to improper input validation.

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A Denial of Service vulnerability (CVE-2021-22152) exists in the Management Console component of BlackBerry Unified Endpoint Manager (UEM). This vulnerability is caused by improper input validation and affects versions 12.13.1 QF2 and earlier, as well as 12.12.1a QF6 and earlier. If exploited, an attacker could potentially prevent any new user connections to the UEM system, disrupting administrative access and management capabilities.

Overview

The vulnerability (CWE-20: Improper Input Validation) in BlackBerry UEM Management Console allows an attacker to cause a denial of service condition. BlackBerry UEM is an enterprise mobility management solution that allows organizations to manage and secure mobile devices. The Management Console is a critical component that administrators use to configure and control the UEM environment. When exploited, this vulnerability can prevent new user connections to the system, effectively blocking administrators from accessing the management interface and potentially disrupting business operations that depend on UEM functionality.

Remediation

Organizations using affected versions of BlackBerry UEM should upgrade to the latest version that contains fixes for this vulnerability. BlackBerry has released patches in newer versions:

  • For 12.13.x installations: Upgrade to version 12.13.1 QF3 or later
  • For 12.12.x installations: Upgrade to version 12.12.1a QF7 or later

Additionally, organizations should:

  • Limit Management Console access to trusted networks and users
  • Implement network segmentation to restrict access to the UEM infrastructure
  • Monitor for unusual access patterns or denial of service attempts
  • Follow BlackBerry's security best practices for UEM deployment

References

  • BlackBerry Knowledge Base Article: https://support.blackberry.com/kb/articleDetail?articleNumber=000078971
  • CWE-20: Improper Input Validation: https://cwe.mitre.org/data/definitions/20.html
  • BlackBerry UEM Documentation: https://docs.blackberry.com/en/endpoint-management/blackberry-uem

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Construction
    Construction
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Health Care & Social Assistance
    Health Care & Social Assistance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Manufacturing
    Manufacturing
  12. Mining
    Mining
  13. Other Services (except Public Administration)
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  15. Public Administration
    Public Administration
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Retail Trade
    Retail Trade
  18. Transportation & Warehousing
    Transportation & Warehousing
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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Armis Vulnerability Intelligence Database