CVE-2018-6223
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.01% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 22 February 2018
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- trendmicro/email encryption gateway
- Source
- security@trendmicro.com
EPSS moved from 6.3% on 21 September 2026 to 10.0% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://success.trendmicro.com/solution/1119349Patch, Vendor Advisory
- https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilitiesExploit, Technical Description, Third Party Advisory
- https://www.exploit-db.com/exploits/44166/Exploit, Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/1119349Patch, Vendor Advisory
- https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilitiesExploit, Technical Description, Third Party Advisory
- https://www.exploit-db.com/exploits/44166/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.