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Fencer Vulns
critical 9.8

CVE-2018-6220 json

An arbitrary file write vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to inject arbitrary data, which m…

published 2018-03-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17981

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.9%
EPSS 9.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

An arbitrary file write vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to inject arbitrary data, which may lead to gaining code execution on vulnerable systems.

Patch / fix

Timeline

  1. First public exploit (EDB-44166)
  2. Published

Exploit prediction

9.85% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44166 Trend Micro Email Encryption Gateway 5.5 (Build 1111.00) - Multiple Vulnerabilities webapps, 2018-02-22
  • coresecurity.com https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Trend Micro Trend Micro Email Encryption Gateway

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

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.