{"id":"CVE-2012-6399","aliases":["EUVD-2012-6254","GHSA-h5x3-v9f7-g9fh"],"status":"published","title":"Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the...","description":"Cisco WebEx 4.1 on iOS 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, aka Bug ID CSCud94176.","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":0.00527,"percentile":0.44843,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2013-05-27T14:00:00Z","modified":"2026-06-16T23:48:04Z","products":[{"vendor":"cisco","product":"webex"}],"references":[{"url":"http://secunia.com/advisories/51412","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6399"},{"url":"https://github.com/advisories/GHSA-h5x3-v9f7-g9fh"}],"sources":{"cve":[{"id":"CVE-2012-6399","description":"Cisco WebEx 4.1 on iOS 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, aka Bug ID CSCud94176.","status":"published","published":"2013-05-27T14:00:00Z","modified":"2024-09-16T22:25:14.412Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-6254","description":"Cisco WebEx 4.1 on iOS 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, aka Bug ID CSCud94176.","status":"published","published":"2013-05-27T14:00:00Z","modified":"2024-09-16T22:25:14Z","updated_at":"2026-11-03T00:55:03.452021Z"}],"ghsa":[{"id":"GHSA-h5x3-v9f7-g9fh","title":"Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the...","description":"Cisco WebEx 4.1 on iOS 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, aka Bug ID CSCud94176.","status":"published","published":"2022-05-17T05:09:29Z","modified":"2023-01-28T05:03:21Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:57.475723Z"}],"nvd":[{"id":"CVE-2012-6399","description":"Cisco WebEx 4.1 on iOS 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, aka Bug ID CSCud94176.","status":"published","published":"2013-05-27T14:55:01.037Z","modified":"2026-06-16T23:48:04.283Z","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":"2026-11-02T14:02:17.375282Z"}]}}