CVE-2017-11392Interscan Messaging Security Virtual Appliance Command Injection
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.
Published Aug 3, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-11392 is a high-severity vulnerability (CVSS 8.8 v3) affecting Interscan Messaging Security Virtual Appliance (Trendmicro), Trend Micro InterScan Messaging Security Virtual Appliance.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
51/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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-4745.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Interscan Messaging Security Virtual ApplianceTrendmicro | 9.0, 9.1 | n/a |
| Trend Micro InterScan Messaging Security Virtual Appliance | >= 9.0,9.1 | n/a |
Timeline
Publicly disclosed
Aug 3, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- advisorysuccess.trendmicro.com · 1117723
- advisoryzerodayinitiative.com · ZDI-17-504
- exploitMSF trendmicro_imsva_widget_exec.rb
- other100075
FAQ
Common Questions.
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.
Affected: Interscan Messaging Security Virtual Appliance (Trendmicro) versions 9.0, 9.1; Trend Micro InterScan Messaging Security Virtual Appliance versions >= 9.0,9.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-11392 On Your Attack Surface?
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