CVE-2021-32463 : Security Advisory and Response
Learn about CVE-2021-32463, an incorrect permission assignment vulnerability in Trend Micro Apex One, Apex One SaaS, and Worry-Free Security, allowing attackers to escalate privileges.
This CVE-2021-32463 involves an incorrect permission assignment denial-of-service vulnerability in Trend Micro Apex One, Apex One SaaS, Worry-Free Business Security 10.0 SP1, and Worry-Free Services. An attacker with the ability to run low-privileged code on the system could escalate privileges and delete files.
Understanding CVE-2021-32463
This section provides an overview of the vulnerability and its impact.
What is CVE-2021-32463?
The vulnerability, CVE-2021-32463, allows a local attacker to gain escalated privileges on the affected system and delete files after executing low-privileged code.
The Impact of CVE-2021-32463
The impact of this vulnerability is serious as it could lead to unauthorized escalation of privileges and potential deletion of critical files on the affected systems.
Technical Details of CVE-2021-32463
In this section, we dive into the technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from an incorrect permission assignment, enabling a local attacker to delete files with system privileges on compromised installations.
Affected Systems and Versions
Products affected include Trend Micro Apex One, Apex One SaaS, Worry-Free Business Security 10.0 SP1, and Worry-Free Services.
Exploitation Mechanism
To exploit CVE-2021-32463, an attacker must first execute low-privileged code on the targeted system to gain the necessary permissions.
Mitigation and Prevention
Below are the steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Regularly update the affected Trend Micro products to the latest versions that contain security patches.
- Limit user privileges to reduce the impact of potential attacks.
Long-Term Security Practices
- Employ a defense-in-depth strategy to enhance overall system security.
- Conduct regular security audits and penetration testing to identify vulnerabilities.
Patching and Updates
Stay informed about security advisories from Trend Micro and apply patches promptly to secure your systems.