CVE-2018-6221

high

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.

References

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

https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilities

https://success.trendmicro.com/solution/1119349

Details

Source: Mitre, NVD

Published: 2018-03-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

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