CVE-2021-42107 : Vulnerability Insights and Analysis

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 could allow a local attacker to escalate privileges on affected installations. This vulnerability is similar to but not identical to CVE-2021-42104, 42105, and 42106.

Understanding CVE-2021-42107

What is CVE-2021-42107?

CVE-2021-42107 refers to unnecessary privilege vulnerabilities in Trend Micro Apex One, Apex One as a Service, Trend Micro Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services.

The Impact of CVE-2021-42107

These vulnerabilities could enable a local attacker to escalate privileges on systems with affected installations. An attacker must first be able to execute low-privileged code on the target system to exploit this vulnerability.

Technical Details of CVE-2021-42107

Vulnerability Description

The vulnerability allows for local privilege escalation on the mentioned Trend Micro security products.

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 the vulnerability, an attacker needs access to execute low-privileged code on the target system.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor for any unusual activities on the system.

Long-Term Security Practices

Implement the principle of least privilege to restrict unnecessary privileges.
Regularly update and patch all software and security products.

Patching and Updates

Ensure that all the affected systems are updated with the latest patches and security updates.