{"id":"CVE-2014-1266","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-1266","generatedAt":"2026-10-27T20:52:27.327Z","title":"The SSLVerifySignedServerKeyExchange function in libsecurity_ssl/lib/sslKeyExchange.c in the Secure Transport feature in the Data Security component in Apple iOS 6.x before 6.1.6 and 7.x before 7.0.6, Apple TV 6.x before 6.0.2, and Apple OS X 10.9.x…","description":"The SSLVerifySignedServerKeyExchange function in libsecurity_ssl/lib/sslKeyExchange.c in the Secure Transport feature in the Data Security component in Apple iOS 6.x before 6.1.6 and 7.x before 7.0.6, Apple TV 6.x before 6.0.2, and Apple OS X 10.9.x before 10.9.2 does not check the signature in a TLS Server Key Exchange message, which allows man-in-the-middle attackers to spoof SSL servers by (1) using an arbitrary private key for the signing step or (2) omitting the signing step.","published":"2014-02-22T17:05:22.000Z","lastModified":"2026-06-17T00:04:37.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.1","score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-295"],"affected":["apple/iphone os","apple/mac os x","apple/tvos"],"epss":{"score":0.05741,"percentile":0.93006,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (5.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://it.slashdot.org/comments.pl?sid=4821073&cid=46310187","tags":["Issue Tracking"],"source":"product-security@apple.com"},{"url":"http://support.apple.com/kb/HT6146","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://support.apple.com/kb/HT6147","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://support.apple.com/kb/HT6148","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://support.apple.com/kb/HT6150","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://news.ycombinator.com/item?id=7281378","tags":["Exploit","Issue Tracking"],"source":"product-security@apple.com"},{"url":"https://www.cs.columbia.edu/~smb/blog/2014-02/2014-02-23.html","tags":["Exploit"],"source":"product-security@apple.com"},{"url":"https://www.cs.columbia.edu/~smb/blog/2014-02/2014-02-24.html","tags":["Exploit"],"source":"product-security@apple.com"},{"url":"https://www.imperialviolet.org/2014/02/22/applebug.html","tags":["Exploit"],"source":"product-security@apple.com"},{"url":"http://it.slashdot.org/comments.pl?sid=4821073&cid=46310187","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT6146","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT6147","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT6148","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT6150","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://news.ycombinator.com/item?id=7281378","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cs.columbia.edu/~smb/blog/2014-02/2014-02-23.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cs.columbia.edu/~smb/blog/2014-02/2014-02-24.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.imperialviolet.org/2014/02/22/applebug.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-1266","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}