{"id":"CVE-2013-6444","aliases":["AZL-44784","EUVD-2014-0095","GHSA-gh2c-6m38-c78j","PYSEC-2014-94","UBUNTU-CVE-2013-6444"],"status":"published","title":"PyWBEM TOCTOU vulnerability in certificate validation","description":"PyWBEM 0.7 and earlier 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":"2026-11-09","score":0.01053,"percentile":0.64594,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2014-05-05T17:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"PyPI","package":"pywbem","fixed_in":["0.8.1"],"sources":["ghsa","osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"pywbem","fixed_in":["0.7.0-4ubuntu1~14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"pywbem","fixed_in":["0.8.0~dev650-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"pywbem","fixed_in":["0.8.0~dev650-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.1"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.17.6-12"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.1"}]}],"versions":["0.7.0"]},{"source":"osv","ecosystem":"PyPI","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.1"}]}],"versions":["0.7.0"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.0-4ubuntu1~14.04.1"}]}],"versions":["0.7.0-4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0~dev650-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"pywbem","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0~dev650-1"}]}]}],"products":[{"vendor":"pywbem_project","product":"pywbem"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1044246","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://sourceforge.net/p/pywbem/mailman/message/31757312/","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://seclists.org/oss-sec/2013/q4/524","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/64544","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://sourceforge.net/p/pywbem/code/627/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6444","tags":["web","advisory"]},{"url":"https://github.com/pywbem/pywbem/commit/f7599379b26a685d772b2620a16316130f46c474","tags":["web"]},{"url":"https://web.archive.org/web/20200228035408/https://www.securityfocus.com/bid/64544","tags":["web"]},{"url":"http://sourceforge.net/p/pywbem/code/627","tags":["web"]},{"url":"http://sourceforge.net/p/pywbem/mailman/message/31757312","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pywbem/PYSEC-2014-94.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gh2c-6m38-c78j","tags":["advisory"]},{"url":"https://github.com/pywbem/pywbem","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2013-6444","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-6444","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-6444","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-6444","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:00:00Z","modified":"2024-08-06T17:39:01.254Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2014-0095","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:00:00Z","modified":"2024-08-06T17:39:01Z","updated_at":"2026-11-03T01:56:26.306678Z"}],"ghsa":[{"id":"GHSA-gh2c-6m38-c78j","title":"PyWBEM TOCTOU vulnerability in certificate validation","description":"PyWBEM 0.7 and earlier 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":"2022-05-17T03:46:27Z","modified":"2024-10-16T20:44:43Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:38:11.479492Z"}],"nvd":[{"id":"CVE-2013-6444","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:06:04.763Z","modified":"2026-06-17T00:00:30.293Z","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-20"],"updated_at":"2026-11-02T14:02:50.049023Z"}],"osv":[{"id":"GHSA-gh2c-6m38-c78j","title":"PyWBEM TOCTOU vulnerability in certificate validation","description":"PyWBEM 0.7 and earlier 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":"2022-05-17T03:46:27Z","modified":"2024-10-16T21:08:10.222097Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:47.822182Z"},{"id":"AZL-44784","title":"CVE-2013-6444 affecting package pywbem 0.17.6-12","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:06:04Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:20.107976Z"},{"id":"PYSEC-2014-94","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:06:00Z","modified":"2026-06-10T17:02:31.791135202Z","updated_at":"2026-11-02T15:52:51.645172Z"},{"id":"UBUNTU-CVE-2013-6444","description":"PyWBEM 0.7 and earlier 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":"2014-05-05T17:06:00Z","modified":"2025-07-16T07:17:10.575494Z","updated_at":"2026-11-02T15:54:07.421078Z"}]}}