{"id":"CVE-2011-3422","aliases":["EUVD-2011-3385","GHSA-jf47-vrx5-85qc"],"status":"published","title":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an...","description":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00857,"percentile":0.58682,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2011-09-10T00:00:00Z","modified":"2026-06-16T23:33:15Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://www.securityfocus.com/bid/49429","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://support.apple.com/kb/HT5130","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id?1026002","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.computerworld.com/s/article/9219669/Mac_OS_X_can_t_properly_revoke_dodgy_digital_certificates","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69556","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3422"},{"url":"https://github.com/advisories/GHSA-jf47-vrx5-85qc"}],"sources":{"cve":[{"id":"CVE-2011-3422","description":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.","status":"published","published":"2011-09-10T00:00:00Z","modified":"2024-08-06T23:37:47.513Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3385","description":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.","status":"published","published":"2011-09-10T00:00:00Z","modified":"2024-08-06T23:37:47Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-jf47-vrx5-85qc","title":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an...","description":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.","status":"published","published":"2022-05-17T01:53:27Z","modified":"2023-02-03T05:05:57Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:49.274652Z"}],"nvd":[{"id":"CVE-2011-3422","description":"The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.","status":"published","published":"2011-09-12T12:40:44.94Z","modified":"2026-06-16T23:33:15.907Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:09.988332Z"}]}}