CVE-2021-42108 : Security Advisory and Response
Learn about CVE-2021-42108 affecting Trend Micro Apex One and Worry-Free Business Security. Find out the impact, affected systems, and steps to mitigate the privilege escalation risk.
Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security 10.0 SP1 are affected by unnecessary privilege vulnerabilities that could lead to local privilege escalation.
Understanding CVE-2021-42108
What is CVE-2021-42108?
The vulnerability lies in the Web Console of Trend Micro products, allowing a local attacker to escalate privileges on affected installations.
The Impact of CVE-2021-42108
Exploiting this vulnerability requires the attacker to execute low-privileged code on the target system first.
Technical Details of CVE-2021-42108
Vulnerability Description
- Unnecessary privilege vulnerabilities in Trend Micro's Web Console
- Potential for a local attacker to escalate privileges
Affected Systems and Versions
- Trend Micro Apex One (2019, SaaS)
- Trend Micro Worry-Free Business Security (10.0 SP1)
Exploitation Mechanism
- Attacker needs to execute low-privileged code on the system
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches promptly
- Monitor for any suspicious activities
Long-Term Security Practices
- Implement the principle of least privilege
- Conduct regular security trainings for employees
Patching and Updates
- Keep systems and security software up to date to prevent exploitation