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TI-2020-16438 Aliases CVE-2020-27017GHSA-m5fq-fj2f-7888

XML external entity injection in Trend Micro InterScan Messaging Security Virtual…

Priority LOW 32CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to an XML External Entity Processing (XXE) vulnerability which could allow an authenticated administrator to read arbitrary local files. An attacker must already have obtained product administrator/root privileges to exploit this vulnerability.

Why it matters now

EPSS 0.06469 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Trend MicroTrend Micro InterScan Messaging Security Virtual Appliance (IMSVA)9.1—No fix listedCNA
  • Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) VendorTrend Micro Affected 9.1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:trendmicro:interscan_messaging_security_virtual_appliance:*:*:*:*:*:*:*:*up to 9.1VulnerableTrendmicro
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:trendmicro:interscan_messaging_security_virtual_appliance:*:*:*:*:*:*:*:* Versions up to 9.1 Vulnerable ·Trendmicro
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27017
  2. 2026-10-03 Alias added: GHSA-m5fq-fj2f-7888

References

  • TI-2025-34668 OS command injection in Trend Micro Apex One KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-10115 Insufficient verification of data authenticity in Trend Micro Apex Central KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
  • TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
  • TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8
See all 603 →

Sources