Vulnerability in Trend Micro Email Encryption Gateway
CVE-2018-6221
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.062 (92.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Trend Micro Email Encryption Gateway — versions 5.5
- Trendmicro Email_encryption_gateway — versions 5.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@trendmicro.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- security@trendmicro.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@trendmicro.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-6221?
- CVE-2018-6221 is a high-severity vulnerability in Trend Micro Email Encryption Gateway, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2018-03-15.
- How severe is CVE-2018-6221?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2018-6221 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.