CVE-2021-1822 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-1822, a logic issue in iOS, iPadOS, watchOS, and tvOS allowing local users to modify file system components. Learn mitigation steps.
A logic issue in Apple's iOS, iPadOS, watchOS, and tvOS was identified, allowing local users to modify protected parts of the file system, mitigated in iOS 14.5, iPadOS 14.5, watchOS 7.4, and tvOS 14.5.
Understanding CVE-2021-1822
This CVE addresses a logic issue in multiple Apple operating systems that could be exploited by local users to tamper with protected file system areas.
What is CVE-2021-1822?
CVE-2021-1822 highlights a vulnerability in iOS, iPadOS, watchOS, and tvOS that permits unauthorized access by a local user to critical file system components, potentially leading to unauthorized modifications.
The Impact of CVE-2021-1822
The impact of this vulnerability is significant as it could allow malicious actors with local access to compromise the integrity and security of the affected systems.
Technical Details of CVE-2021-1822
This section provides a deeper insight into the vulnerability, affected systems, and how the exploit works.
Vulnerability Description
The flaw allows local users to alter protected parts of the file system, which could lead to unauthorized changes and potential system compromise.
Affected Systems and Versions
Apple's iOS (less than 14.5), iPadOS (less than 14.5), watchOS (less than 7.4), and tvOS (less than 14.5) are impacted by this vulnerability.
Exploitation Mechanism
Local users can exploit this flaw to gain unauthorized control over critical file system elements, potentially compromising system security.
Mitigation and Prevention
To secure your devices from CVE-2021-1822, follow these important steps.
Immediate Steps to Take
Update affected devices to iOS 14.5, iPadOS 14.5, watchOS 7.4, or tvOS 14.5 to mitigate the vulnerability and prevent exploitation.
Long-Term Security Practices
Enforce strict access controls, regularly update software, and educate users on security best practices to enhance overall system security.
Patching and Updates
Stay informed about security patches released by Apple and promptly apply them to ensure your systems are protected from known vulnerabilities.