CVE-2021-30990 : What You Need to Know
Discover the impact, technical details, and mitigation steps for CVE-2021-30990, a logic issue vulnerability in macOS that allowed malicious application bypassing Gatekeeper checks.
A logic issue was addressed with improved validation in macOS that allowed a malicious application to bypass Gatekeeper checks. Learn more about the impact, technical details, and mitigation steps below.
Understanding CVE-2021-30990
This section provides a detailed overview of the CVE-2021-30990 vulnerability in macOS.
What is CVE-2021-30990?
The CVE-2021-30990 vulnerability in macOS is a logic issue that was addressed through improved validation. It allowed a malicious application to bypass Gatekeeper checks, potentially leading to unauthorized access.
The Impact of CVE-2021-30990
The vulnerability posed a significant security risk as it could be exploited by a malicious application to circumvent Gatekeeper checks, compromising the integrity and security of the affected systems.
Technical Details of CVE-2021-30990
In this section, we delve into the technical aspects of the CVE-2021-30990 vulnerability in macOS.
Vulnerability Description
The vulnerability stemmed from a logic issue that was mitigated through enhanced validation processes. It was specifically fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, and macOS Big Sur 11.6.2.
Affected Systems and Versions
The vulnerability impacted macOS systems running versions less than 12.1, less than 11.6, and less than 2021, potentially affecting a wide range of devices.
Exploitation Mechanism
The CVE-2021-30990 vulnerability could be exploited by a malicious application to evade Gatekeeper checks, allowing unauthorized access and malicious activity.
Mitigation and Prevention
Learn how to protect your macOS system from the CVE-2021-30990 vulnerability with the following mitigation strategies.
Immediate Steps to Take
Users are advised to update their macOS systems to the latest versions, including macOS Monterey 12.1, Security Update 2021-008 Catalina, and macOS Big Sur 11.6.2, to prevent exploitation of the vulnerability.
Long-Term Security Practices
Implementing robust security measures, such as regular software updates, installing security patches, and utilizing reputable security software, can enhance the overall security posture of macOS systems.
Patching and Updates
Staying vigilant about system updates and promptly applying patches released by Apple is crucial to addressing known vulnerabilities like CVE-2021-30990.