CVE-2021-28646 Explained : Impact and Mitigation
Learn about CVE-2021-28646, an insecure file permissions vulnerability impacting Trend Micro Apex One, Apex One as a Service, and OfficeScan XG SP1. Understand the impact and mitigation steps.
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service, and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
Understanding CVE-2021-28646
This vulnerability affects Trend Micro products, leading to a critical security issue where a local attacker could exploit insecure file permissions to compromise log files.
What is CVE-2021-28646?
The CVE-2021-28646 refers to an insecure file permissions vulnerability found in Trend Micro Apex One, Apex One as a Service, and OfficeScan XG SP1. The flaw allows a local attacker to gain control over specific log files.
The Impact of CVE-2021-28646
The impact of this vulnerability is significant as it enables a malicious actor with local access to exploit the insecure file permissions issue and potentially take over critical log files on affected systems.
Technical Details of CVE-2021-28646
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability stems from insecure file permissions in Trend Micro Apex One, Apex One as a Service, and OfficeScan XG SP1, allowing a local attacker to manipulate log files.
Affected Systems and Versions
- Trend Micro Apex One: 2019, SaaS
- Trend Micro OfficeScan: XG SP1
Exploitation Mechanism
The local attacker can exploit this vulnerability by leveraging the insecure file permissions to gain control over specific log files on affected installations.
Mitigation and Prevention
To address and prevent CVE-2021-28646, follow these recommendations.
Immediate Steps to Take
- Apply security patches provided by Trend Micro promptly.
- Monitor and restrict access to sensitive log files.
Long-Term Security Practices
- Regularly update and maintain Trend Micro products to the latest versions.
- Implement least privilege access controls to limit unauthorized file access.
Patching and Updates
Stay informed about security updates and patches released by Trend Micro to mitigate the risks associated with CVE-2021-28646.