CVE-2021-43771 Explained : Impact and Mitigation

Trend Micro Antivirus for Mac 2021 v11 is vulnerable to an improper access control privilege escalation vulnerability that could lead to full local privilege escalation within the application.

Understanding CVE-2021-43771

Trend Micro Antivirus for Mac 2021 v11 is susceptible to privilege escalation attacks due to improper access control.

What is CVE-2021-43771?

The vulnerability allows an attacker, after executing low-privileged code on the target system, to establish a connection leading to full local privilege escalation within the Trend Micro Antivirus application.

The Impact of CVE-2021-43771

The vulnerability could be exploited by attackers to gain unauthorized elevated access rights on the affected system, potentially leading to complete system compromise.

Technical Details of CVE-2021-43771

CVE-2021-43771 poses a serious security risk due to the following technical details:

Vulnerability Description

Improper access control privilege escalation vulnerability in Trend Micro Antivirus for Mac 2021 v11.

Affected Systems and Versions

Trend Micro Antivirus for Mac 2021 v11.

Exploitation Mechanism

Attackers need to execute low-privileged code on the target system to exploit the vulnerability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-43771, consider the following steps:

Immediate Steps to Take

Update Trend Micro Antivirus for Mac to the latest patched version.
Monitor for any suspicious activities on the system.

Long-Term Security Practices

Implement the principle of least privilege to limit user access rights.
Regularly educate users on safe computing practices to prevent unauthorized code execution.

Patching and Updates

Stay informed about security patches released by Trend Micro and apply them promptly to address known vulnerabilities.