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Fencer Vulns
critical 9.8

CVE-2018-6223 in the critical feed json

A missing authentication for appliance registration vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to ma…

published 2018-03-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17984

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.0%
EPSS 10.0% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

A missing authentication for appliance registration vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to manipulate the registration process of the product to reset configuration parameters.

Patch / fix

Timeline

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

Exploit prediction

10.01% 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 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Trend Micro Trend Micro Email Encryption Gateway

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

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.