Proxy command injection vulnerability in Trend Micro InterScan Messaging Virtual Appliance 9.0 and 9.1 allows remote attackers to execute a…

published 2017-08-03 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3018

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 62.1%; EPSS 62.1% chance of exploitation in 30 days, percentile 99.1%
public exploits: 1; Metasploit

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.

Timeline

2017-08-03 Published
2017-10-07 First public exploit (Metasploit exploit/linux/http/trendmicro_imsva_widget_exec)

Exploit prediction

62.13% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/linux/http/trendmicro_imsva_widget_exec Trend Micro InterScan Messaging Security (Virtual Appliance) Remote Code Execution metasploit exploit, excellent rank, 2017-10-07

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Trend Micro Trend Micro InterScan Messaging Security Virtual Appliance

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

success.trendmicro.com /solution/1117723
vendor-advisory
securityfocus.com /bid/100075
vdb-entry, third-party-advisory
zerodayinitiative.com /advisories/ZDI-17-502
third-party-advisory, vdb-entry

Sources

CVE List CVE-2017-11391
NVD CVE-2017-11391

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary