{"id":"CVE-2014-2900","aliases":["EUVD-2014-2923","GHSA-rjjg-j224-h375"],"status":"published","title":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical...","description":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 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":0.00962,"percentile":0.61817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2014-04-22T14:00:00Z","modified":"2026-06-17T00:07:20Z","products":[{"vendor":"yassl","product":"cyassl"}],"references":[{"url":"http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.gentoo.org/glsa/201612-53","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://seclists.org/oss-sec/2014/q2/126","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.securityfocus.com/bid/66780","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://seclists.org/oss-sec/2014/q2/130","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/57743","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2900"},{"url":"https://github.com/advisories/GHSA-rjjg-j224-h375"}],"sources":{"cve":[{"id":"CVE-2014-2900","description":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.","status":"published","published":"2014-04-22T14:00:00Z","modified":"2024-08-06T10:28:46.282Z","updated_at":"2026-11-02T14:33:44.23164Z"}],"euvd":[{"id":"EUVD-2014-2923","description":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.","status":"published","published":"2014-04-22T14:00:00Z","modified":"2024-08-06T10:28:46Z","updated_at":"2026-11-03T01:57:12.660671Z"}],"ghsa":[{"id":"GHSA-rjjg-j224-h375","title":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical...","description":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.","status":"published","published":"2022-05-17T02:38:59Z","modified":"2023-01-27T05:05:36Z","updated_at":"2026-11-02T14:42:43.937226Z"}],"nvd":[{"id":"CVE-2014-2900","description":"wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.","status":"published","published":"2014-04-22T14:23:36.317Z","modified":"2026-06-17T00:07:20.173Z","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":"2026-11-02T14:02:54.082915Z"}]}}