CVE-2021-25253 : Security Advisory and Response

A vulnerability has been identified in Trend Micro Apex One, Trend Micro Apex One as a Service, and OfficeScan XG SP1 which could allow a local attacker to escalate privileges on affected installations by exploiting an improper access control issue.

Understanding CVE-2021-25253

This CVE-2021-25253 affects Trend Micro Apex One, Trend Micro Apex One as a Service, and OfficeScan XG SP1 due to an improper access control vulnerability.

What is CVE-2021-25253?

The CVE-2021-25253 is an improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service, and OfficeScan XG SP1. It allows a local attacker to escalate privileges on affected installations.

The Impact of CVE-2021-25253

The impact of this vulnerability is that a local attacker could potentially elevate their privileges on the system, thereby gaining unauthorized access to sensitive information or tampering with system settings.

Technical Details of CVE-2021-25253

This section outlines the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in an improper access control issue in Trend Micro Apex One, Trend Micro Apex One as a Service, and OfficeScan XG SP1, which enables a local attacker to increase their privileges by exploiting this flaw.

Affected Systems and Versions

The affected products include Trend Micro Apex One (2019, SaaS), Trend Micro Apex One as a Service, and Trend Micro OfficeScan XG SP1.

Exploitation Mechanism

To exploit this vulnerability, an attacker must first be able to execute low-privileged code on the target system and then leverage this access to escalate their privileges.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the exploitation of CVE-2021-25253.

Immediate Steps to Take

Immediately applying security updates and patches can help mitigate the risk associated with this vulnerability. Additionally, monitoring and restricting access to vulnerable services is recommended.

Long-Term Security Practices

Implementing a robust security policy, conducting regular security assessments, and educating users on safe computing practices can enhance long-term security.

Patching and Updates

Regularly updating the affected Trend Micro products to the latest versions with security patches is crucial in protecting systems from known vulnerabilities.