CVE-2021-25231 Explained : Impact and Mitigation

An improper access control vulnerability in Trend Micro Apex One, OfficeScan, and Worry-Free Business Security could allow unauthorized users to access specific hotfix history files.

Understanding CVE-2021-25231

This CVE highlights an improper access control issue in various Trend Micro security products.

What is CVE-2021-25231?

CVE-2021-25231 is an access control vulnerability in Trend Micro Apex One, OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1, allowing unauthenticated users to retrieve details about particular hotfix history files.

The Impact of CVE-2021-25231

The vulnerability could lead to unauthorized access to sensitive information stored in the affected Trend Micro products, posing a risk of information disclosure.

Technical Details of CVE-2021-25231

This section provides specific technical details about the vulnerability.

Vulnerability Description

The vulnerability lies in the improper access control implementation in Trend Micro security products, enabling unauthorized users to retrieve specific hotfix history files' information.

Affected Systems and Versions

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

Exploitation Mechanism

Unauthorized users can leverage the vulnerability to retrieve information from a targeted hotfix history file without proper authentication.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2021-25231.

Immediate Steps to Take

Update the affected Trend Micro products to the latest patched versions promptly.
Monitor system logs for any suspicious activities related to unauthorized access.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and mitigate potential vulnerabilities.
Educate system users on safe cybersecurity practices to prevent unauthorized access.

Patching and Updates

Stay informed about security updates and patches released by Trend Micro to ensure your systems are protected against known vulnerabilities.