{"id":"CVE-2012-5662","aliases":["DEBIAN-CVE-2012-5662","EUVD-2012-5545","GHSA-mjjm-m83r-gv3w","UBUNTU-CVE-2012-5662"],"status":"published","title":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the...","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00621,"percentile":0.50027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-310"],"published":"2014-05-27T14:55:00Z","modified":"2026-10-23T17:47:38Z","fixes":[{"ecosystem":"Debian:12","package":"ibm-3270","fixed_in":["3.3.14ga11-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ibm-3270","fixed_in":["3.3.14ga11-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ibm-3270","fixed_in":["3.3.14ga11-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.14ga11-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.14ga11-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.14ga11-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.14ga11-1build1","3.6ga4-1","3.6ga4-1build1","3.6ga4-2","3.6ga4-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6ga4-3build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0ga12-3","4.0ga14-1","4.0ga14-1build1","4.1ga10-1","4.1ga10-1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1ga10-1.1","4.1ga10-1.1build1","4.1ga10-1.1build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3ga10-4","4.3ga10-5"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3ga10-5build1","4.3ga10-5build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ibm-3270","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3ga10-5","4.3ga10-5build1"]}],"products":[{"vendor":"paul_mattes","product":"x3270"}],"references":[{"url":"http://secunia.com/advisories/52650","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=889373","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://osvdb.org/91572","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://sourceforge.net/projects/x3270/files/x3270/3.3.12ga12/","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/82984","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5662"},{"url":"http://sourceforge.net/projects/x3270/files/x3270/3.3.12ga12"},{"url":"https://github.com/advisories/GHSA-mjjm-m83r-gv3w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5662","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-5662","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/03/21","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-5662","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-5662","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T15:00:00Z","modified":"2024-08-06T21:14:16.429Z","updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-5545","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T15:00:00Z","modified":"2024-08-06T21:14:16Z","updated_at":"2026-11-03T01:56:04.024018Z"}],"ghsa":[{"id":"GHSA-mjjm-m83r-gv3w","title":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the...","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2022-05-17T01:39:18Z","modified":"2025-04-12T12:35:15Z","updated_at":"2026-11-02T15:01:17.900782Z"}],"nvd":[{"id":"CVE-2012-5662","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T14:55:02.993Z","modified":"2026-06-16T23:47:12.533Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:17.748457Z"}],"osv":[{"id":"CVE-2012-5662","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T14:55:02Z","modified":"2026-04-10T03:44:21.261918Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5662","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T14:55:02.993Z","modified":"2026-10-23T17:47:38.915868103Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"UBUNTU-CVE-2012-5662","description":"x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-05-27T14:55:00Z","modified":"2026-10-17T12:52:49.070858375Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}