{"id":"CVE-2018-6221","aliases":["EUVD-2018-17982","GHSA-v5jx-63r2-pgwj"],"status":"published","title":"An unvalidated software update vulnerability in Trend Micro Email Encryption Gateway 5.5 could...","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.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06095,"percentile":0.93467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-295"],"published":"2018-03-15T19:00:00Z","modified":"2026-06-17T02:01:32Z","exploits":[{"source":"exploitdb","id":"EDB-44166","title":"Trend Micro Email Encryption Gateway 5.5 (Build 1111.00) - Multiple Vulnerabilities","type":"webapps","platform":"jsp","date":"2018-02-22","verified":true,"url":"https://www.exploit-db.com/exploits/44166"}],"products":[{"vendor":"trend micro","product":"trend micro email encryption gateway"},{"vendor":"trendmicro","product":"email_encryption_gateway"}],"references":[{"url":"https://www.exploit-db.com/exploits/44166/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://success.trendmicro.com/solution/1119349","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.coresecurity.com/advisories/trend-micro-email-encryption-gateway-multiple-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6221"},{"url":"https://github.com/advisories/GHSA-v5jx-63r2-pgwj"}],"sources":{"cve":[{"id":"CVE-2018-6221","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.","status":"published","published":"2018-03-15T19:00:00Z","modified":"2024-08-05T05:54:53.169Z","updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2018-17982","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.","status":"published","published":"2018-03-15T19:00:00Z","modified":"2024-08-05T05:54:53Z","updated_at":"2026-11-03T02:40:08.595407Z"}],"ghsa":[{"id":"GHSA-v5jx-63r2-pgwj","title":"An unvalidated software update vulnerability in Trend Micro Email Encryption Gateway 5.5 could...","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.","status":"published","published":"2022-05-14T03:33:38Z","modified":"2023-02-02T05:08:05Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:52:39.875078Z"}],"nvd":[{"id":"CVE-2018-6221","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.","status":"published","published":"2018-03-15T19:29:00.673Z","modified":"2026-06-17T02:01:32.003Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:04:24.264003Z"}]}}