CVE-2020-27920 : What You Need to Know
Learn about CVE-2020-27920, a use after free vulnerability in Apple products that could lead to code execution. Find out affected systems, exploitation details, and mitigation steps.
A use after free issue was addressed with improved memory management in Apple products.
Understanding CVE-2020-27920
What is CVE-2020-27920?
CVE-2020-27920 is a vulnerability related to a use after free issue in Apple products that could be exploited through maliciously crafted web content.
The Impact of CVE-2020-27920
The vulnerability could lead to code execution when processing malicious web content on affected Apple devices.
Technical Details of CVE-2020-27920
Vulnerability Description
The issue was fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, and tvOS 14.2.
Affected Systems and Versions
- watchOS: < 7.1
- iOS and iPadOS: < 14.2
- tvOS: < 14.2
- macOS: < 11.0, < 11.1
Exploitation Mechanism
Processing maliciously crafted web content could trigger the vulnerability and potentially allow an attacker to execute arbitrary code.
Mitigation and Prevention
Immediate Steps to Take
- Update affected Apple devices to the fixed versions mentioned above.
- Avoid clicking on suspicious links or visiting untrusted websites.
Long-Term Security Practices
- Regularly update all software and firmware on Apple devices.
- Implement security best practices to prevent exposure to malicious content.
Patching and Updates
Apply security patches and updates provided by Apple to ensure protection against known vulnerabilities.