CVE-2020-27016 Explained : Impact and Mitigation

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a cross-site request forgery (CSRF) vulnerability that could allow an attacker to modify policy rules by tricking an authenticated administrator into accessing an attacker-controlled web page. An attacker must have obtained product administrator/root privileges to exploit this vulnerability.

Understanding CVE-2020-27016

This CVE identifies a CSRF vulnerability in Trend Micro IMSVA 9.1.

What is CVE-2020-27016?

The CVE-2020-27016 vulnerability in Trend Micro IMSVA 9.1 allows attackers to manipulate policy rules by deceiving authenticated administrators into visiting a malicious webpage.

The Impact of CVE-2020-27016

Exploiting this vulnerability can lead to unauthorized modification of policy rules, posing a significant security risk to affected systems.

Technical Details of CVE-2020-27016

Trend Micro IMSVA 9.1 vulnerability specifics.

Vulnerability Description

Type: Cross-Site Request Forgery (CSRF)
Risk: Allows attackers to modify policy rules
Requirement: Attacker needs admin/root privileges

Affected Systems and Versions

Product: Trend Micro IMSVA
Version: 9.1

Exploitation Mechanism

Attacker tricks authenticated admin to access malicious webpage
Requires prior acquisition of admin/root privileges

Mitigation and Prevention

Protecting systems from CVE-2020-27016.

Immediate Steps to Take

Apply security patches promptly
Educate administrators on phishing and social engineering
Monitor policy rule changes for suspicious activity

Long-Term Security Practices

Implement multi-factor authentication
Regularly audit and review policy rules
Conduct security training for all system users

Patching and Updates

Trend Micro may release patches to address this vulnerability
Regularly check for updates and apply them promptly