Security readout for executives and security teams
This flaw affects Trend Micro InterScan Messaging Security Virtual Appliance 9.0 and 9.1. A remote attacker may be able to turn a vulnerable email security appliance into a code-execution foothold by abusing command injection in the proxy component. No source in the bundle confirms active exploitation. Exposure is limited to organizations still running Trend Micro InterScan Messaging Security Virtual Appliance 9.0 or 9.1, particularly where the vulnerable proxy component is reachable by an attacker. Prioritize this as a high-risk legacy appliance issue because the stated impact is remote code execution on an email security gateway. Urgency depends on whether affected versions remain deployed and reachable. No active exploitation evidence is provided in the source bundle. Mitigation focus: Inventory all InterScan Messaging Security Virtual Appliance deployments and versions.; Check Trend Micro solution 1117723 for official remediation guidance.; Prioritize upgrade, replacement, or vendor-supported fixes for versions 9.0 and 9.1..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-11391 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://success.trendmicro.com/solution/1117723CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.