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Vulnerability record · CVE-2020-27016 · published 9 November 2020

CVE-2020-27016: Trendmicro interscan messaging security virtual appliance cross-site request forgery vulnerability

Trendmicro · Interscan Messaging Security Virtual Appliance

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.

8.8 CVSS 3.1 High EPSS 1.9% · top 21.2% CWE-352 · Cross-site request forgery
8.8CVSS 3.1 base score, v2 6.8
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sec-consult.com/en/blog/advisories/vulnerabilities-in-trend-micro-interscan-messaging-security-virtual-appliance ExploitThird Party Advisory
https://success.trendmicro.com/solution/000279833 ExploitVendor Advisory
https://sec-consult.com/en/blog/advisories/vulnerabilities-in-trend-micro-interscan-messaging-security-virtual-appliance ExploitThird Party Advisory
https://success.trendmicro.com/solution/000279833 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-27694Trendmicro interscan messaging security virtual appliance vulnerabilityTrend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 has updated a specific critical library that may vulnerable to attack.EPSS 7.4%8.8CVE-2017-11391Trend Micro InterScan Messaging Virtual Appliance proxy command injectionTrend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 contain a command injection flaw in the modTMCSS Proxy, reachable by parsing the "t" pa…EPSS 62%analysed8.8CVE-2017-11392Trendmicro interscan messaging security virtual appliance command injection vulnerabilityProxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute arbitrary c…EPSS 34%8.8CVE-2017-6398Trend Micro InterScan Messaging Security command injection in saveCert.imssTrend Micro InterScan Messaging Security Virtual Appliance 9.1-1600 contains an OS command injection flaw in the saveCert.imss endpoint. The endpoint…EPSS 54%analysed8.1CVE-2018-3609Trendmicro interscan messaging security virtual appliance insufficiently protected credentials vulnerabilityA vulnerability in the Trend Micro InterScan Messaging Security Virtual Appliance 9.0 and 9.1 management portal could allow an unauthenticated user t…EPSS 21%6.1CVE-2017-7896Trendmicro interscan messaging security virtual appliance cross-site scripting vulnerabilityTrend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 before CP 1644 has XSS.EPSS 4.3%5.5CVE-2021-25252Trendmicro apex central uncontrolled resource consumption vulnerabilityTrend Micro's Virus Scan API (VSAPI) and Advanced Threat Scan Engine (ATSE) - are vulnerable to a memory exhaustion vulnerability that may lead to de…EPSS 0.62%5.5CVE-2020-27018Trendmicro interscan messaging security virtual appliance server-side request forgery (ssrf) vulnerabilityTrend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to a server side request forgery vulnerability which could allow…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2020-27016), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.