CVE-2020-27016: Trend Micro Interscan Messaging Security Virtual Appliance

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

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

Affected products

• Trend Micro Interscan Messaging Security Virtual Appliance: up to and including 9.1

Published 2020-11-09. Last modified 2026-06-17.