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Fencer Vulns
medium 4.9

CVE-2020-27017 json

Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA) 9.1 is vulnerable to an XML External Entity Processing (XXE) vulnerabili…

published 2020-11-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19541

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.5%
EPSS 6.5% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

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.

Exploit prediction

6.47% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • success.trendmicro.com https://success.trendmicro.com/solution/000279833 referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://sec-consult.com/en/blog/advisories/vulnerabilities-in-trend-micro-interscan-messaging-security-virtual-appliance-imsva/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Trend Micro Trend Micro InterScan Messaging Security Virtual Appliance (IMSVA)

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

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.