CVE-2017-11391

HIGH

Trend Micro InterScan Messaging Security Virtual Appliance 9.0-9.1 - RCE via modTMCSS Proxy

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11391. PoCs published by mr_me <[email protected]>, Mehmet Ince <[email protected]>, including Metasploit module exploits/linux/http/trendmicro_imsva_widget_exec.

AI-analyzed exploit summary This Metasploit module exploits an authentication bypass and command injection vulnerability in Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA). It extracts a JSESSIONID from a publicly accessible log file and uses it to execute arbitrary commands via a vulnerable PHP endpoint.

Description

Proxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute arbitrary code on vulnerable installations. The specific flaw can be exploited by parsing the "t" parameter within modTMCSS Proxy. Formerly ZDI-CAN-4744.

Exploits (1)

metasploit WORKING POC EXCELLENT
by mr_me <[email protected]>, Mehmet Ince <[email protected]> · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/trendmicro_imsva_widget_exec.rb

This Metasploit module exploits an authentication bypass and command injection vulnerability in Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA). It extracts a JSESSIONID from a publicly accessible log file and uses it to execute arbitrary commands via a vulnerable PHP endpoint.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA)
No auth needed
Prerequisites: Access to the management interface on TCP port 8445 · Publicly accessible diagnostic.log file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100075
Vendor Advisory x_refsource_misc
https://success.trendmicro.com/solution/1117723
Third Party Advisory, VDB Entry x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-17-502

Scores

CVSS v3 8.8
EPSS 0.6178
EPSS Percentile 99.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-77
Status published
Products (3)
Trend Micro/Trend Micro InterScan Messaging Security Virtual Appliance 9.0,9.1
trendmicro/interscan_messaging_security_virtual_appliance 9.0
trendmicro/interscan_messaging_security_virtual_appliance 9.1
Published Aug 03, 2017
Tracked Since Feb 18, 2026