CVE-2020-27018

Name: CVE-2020-27018
Creator: NVD / NIST
Published: 2020-11-09T23:15:12.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 3.47%

Last modified Jun 17, 2026

CVE-2020-27018 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow an authenticated attacker to abuse the product's web server and grant access to web resources or parts of local files. An attacker must already have obtained authenticated privileges on the product to exploit this vulnerability.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.

Description

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow an authenticated attacker to abuse the product's web server and grant access to web resources or parts of local files. An attacker must already have obtained authenticated privileges on the product to exploit this vulnerability.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

3.47%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

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-2020-27018?

How severe is CVE-2020-27018?

CVE-2020-27018 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 3.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27018?

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-2020-27018?

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

Scan your code now

Source: NVD / NIST