CVE-2021-42105 : What You Need to Know

Unnecessary privilege vulnerabilities in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services can lead to a local attacker escalating privileges, requiring the ability to execute low-privileged code on the target system to exploit this vulnerability.

Understanding CVE-2021-42105

What is CVE-2021-42105?

CVE-2021-42105 is a vulnerability in Trend Micro products that allows local attackers to elevate privileges on affected systems.

The Impact of CVE-2021-42105

This vulnerability can potentially allow unauthorized local users to gain elevated privileges on the system, posing a serious security risk.

Technical Details of CVE-2021-42105

Vulnerability Description

The vulnerability arises from unnecessary privilege settings in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services.

Affected Systems and Versions

Trend Micro Apex One 2019, SaaS
Trend Micro Worry-Free Business Security 10.0 SP1, Services (SaaS)

Exploitation Mechanism

To exploit this vulnerability, the attacker must first execute low-privileged code on the target system.

Mitigation and Prevention

Immediate Steps to Take

Implement the latest security patches provided by Trend Micro.
Monitor system activity for any unauthorized changes.

Long-Term Security Practices

Regularly update and patch the Trend Micro products to ensure the latest security fixes.

Patching and Updates

Apply security patches and updates released by Trend Micro to remediate this vulnerability.