CVE-2020-27016

Name: CVE-2020-27016
Creator: NVD / NIST
Published: 2020-11-09T23:15:12.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2020-27016 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.88%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Trendmicro	Interscan Messaging Security Virtual Appliance	<= 9.1

References

https://sec-consult.com/en/blog/advisories/vulnerabilities-in-trend-micro-interscan-messaging-security-virtual-appliance-imsva/Exploit, Third Party Advisory
https://success.trendmicro.com/solution/000279833Exploit, Vendor Advisory
https://sec-consult.com/en/blog/advisories/vulnerabilities-in-trend-micro-interscan-messaging-security-virtual-appliance-imsva/Exploit, Third Party Advisory
https://success.trendmicro.com/solution/000279833Exploit, Vendor Advisory

Timeline

Published: Nov 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27016?

How severe is CVE-2020-27016?

CVE-2020-27016 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27016?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27016?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST