CVE-2021-25233 : Security Advisory and Response
Learn about CVE-2021-25233, an improper access control vulnerability in Trend Micro Apex One, OfficeScan, and Worry-Free Business Security, allowing unauthenticated access to configuration files.
An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain information about a specific configuration download file.
Understanding CVE-2021-25233
This CVE involves an improper access control vulnerability in multiple Trend Micro products, potentially leading to information disclosure.
What is CVE-2021-25233?
CVE-2021-25233 is an improper access control vulnerability found in Trend Micro Apex One, OfficeScan, and Worry-Free Business Security, allowing unauthorized access to configuration files.
The Impact of CVE-2021-25233
If exploited, this vulnerability can enable an unauthenticated attacker to retrieve sensitive information from the affected systems, posing a risk to data confidentiality.
Technical Details of CVE-2021-25233
This section covers specific technical details of the vulnerability.
Vulnerability Description
The vulnerability allows an unauthenticated user to access sensitive configuration files, potentially exposing critical system 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
Attackers can exploit this vulnerability by sending specially crafted requests to the affected systems, gaining unauthorized access to configuration files.
Mitigation and Prevention
Protecting systems against CVE-2021-25233 involves immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches provided by Trend Micro to address the vulnerability.
- Monitor system logs for any unauthorized access attempts.
Long-Term Security Practices
- Regularly update software and security solutions to avoid known vulnerabilities.
- Implement principle of least privilege to restrict access to sensitive files.
Patching and Updates
Ensure timely deployment of security patches and updates from Trend Micro to mitigate the risk of unauthorized access.