CVE-2021-30820:A logic issue in iOS and iPadOS allows remote attackers to execute arbitrary code.

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CVE-2021-30820 addresses a logic issue in iOS and iPadOS that could allow a remote attacker to execute arbitrary code on affected devices. The vulnerability stems from improper state management in the operating system. Apple has fixed this issue in iOS 14.8 and iPadOS 14.8 by improving state management mechanisms to prevent potential exploitation.

Overview

This vulnerability is a logic issue in iOS and iPadOS that could be exploited remotely to execute arbitrary code on affected devices. The flaw exists due to improper state management in the operating system components. Remote attackers who successfully exploit this vulnerability could potentially run malicious code with the privileges of the affected application, which might lead to unauthorized access to sensitive information, data modification, or complete system compromise depending on the context of the exploited application.

Remediation

Users should update their devices to iOS 14.8 and iPadOS 14.8 or later versions to mitigate this vulnerability. To update:

  1. Go to Settings > General > Software Update
  2. Tap "Download and Install" if an update is available
  3. Follow the on-screen instructions to complete the installation
  4. Ensure your device is connected to power and Wi-Fi during the update process

Organizations should implement a policy to regularly check for and apply Apple security updates as they become available.

References

  • Apple Security Advisory: https://support.apple.com/en-us/HT212807
  • iOS 14.8 and iPadOS 14.8 Release Notes
  • MITRE CVE Entry: CVE-2021-30820

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

Focus on What Matters

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

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