CVE-2021-30965 : What You Need to Know
Learn about CVE-2021-30965 affecting macOS, allowing a denial of service by a malicious application. Find out impacted systems, exploitation, and mitigation.
A logic issue in macOS has been addressed with improved state management, affecting various versions of the operating system. This vulnerability allows a malicious application to potentially cause a denial of service to Endpoint Security clients.
Understanding CVE-2021-30965
This CVE relates to a logic issue in macOS that has been fixed in recent updates but poses a risk of denial of service attacks.
What is CVE-2021-30965?
CVE-2021-30965 refers to a logic issue in macOS that allows a malicious application to disrupt services on Endpoint Security clients, potentially leading to a denial of service.
The Impact of CVE-2021-30965
The impact of this CVE is significant as it exposes macOS systems to the risk of denial of service attacks by exploiting the logic issue present in the operating system.
Technical Details of CVE-2021-30965
This section provides detailed technical insights into the vulnerability affecting macOS.
Vulnerability Description
The vulnerability in macOS results from a logic issue in the system's state management, which could be abused by a malicious application to disrupt Endpoint Security client services.
Affected Systems and Versions
macOS versions less than 12.1, 11.6, and those released before 2021 are affected by this vulnerability, highlighting the importance of updating to the latest versions.
Exploitation Mechanism
Exploiting CVE-2021-30965 involves utilizing the logic issue within macOS to interfere with the functionality of Endpoint Security clients, potentially causing a denial of service.
Mitigation and Prevention
To address CVE-2021-30965 and enhance system security, users and organizations should take immediate steps and implement long-term security practices.
Immediate Steps to Take
Users should update their macOS systems to the latest versions (macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2) to mitigate the risk of exploitation.
Long-Term Security Practices
In addition to updating, practicing good security habits like avoiding suspicious applications and maintaining regular system updates can help prevent similar vulnerabilities.
Patching and Updates
Regularly checking for security patches from Apple and promptly applying them is crucial in safeguarding systems against potential threats.