CVE-2018-6221

HIGH

Trendmicro Email Encryption Gateway - Improper Certificate Validation

Title source: rule

Description

An unvalidated software update vulnerability in Trend Micro Email Encryption Gateway 5.5 could allow a man-in-the-middle attacker to tamper with an update file and inject their own.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Core Security · textwebappsjsp

https://www.exploit-db.com/exploits/44166

View Code ZIP pw:eip

References (3)

[Patch, Vendor Advisory] https://success.trendmicro.com/solution/1119349

[Exploit, Technical Description, Third Party Advisory] https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilities

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/44166/

Scores

CVSS v3 8.1

EPSS 0.0450

EPSS Percentile 88.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-295

Status published

Affected Products (1)

trendmicro/email_encryption_gateway

Timeline

Published Mar 15, 2018

Tracked Since Feb 18, 2026