{"id":"CVE-2014-8686","aliases":["EUVD-2014-8518","GHSA-xrhp-vgm2-2xvr"],"status":"published","title":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging...","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.37222,"percentile":0.98532,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-310"],"published":"2017-09-19T19:00:00Z","modified":"2026-06-17T00:17:10Z","exploits":[{"source":"exploitdb","id":"EDB-36264","title":"Seagate Business NAS - Remote Command Execution (Metasploit)","type":"remote","platform":"php","date":"2015-03-04","verified":true,"url":"https://www.exploit-db.com/exploits/36264"},{"source":"metasploit","id":"exploit/linux/http/seagate_nas_php_exec_noauth","title":"Seagate Business NAS Unauthenticated Remote Command Execution","type":"exploit","platform":"PHP","date":"2015-03-01","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/seagate_nas_php_exec_noauth"}],"products":[{"vendor":"codeigniter","product":"codeigniter"}],"references":[{"url":"https://beyondbinary.io/articles/seagate-nas-rce/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://codeigniter.com/userguide2/changelog.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8686"},{"url":"https://beyondbinary.io/articles/seagate-nas-rce"},{"url":"https://github.com/advisories/GHSA-xrhp-vgm2-2xvr"}],"sources":{"cve":[{"id":"CVE-2014-8686","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","status":"published","published":"2017-09-19T19:00:00Z","modified":"2024-08-06T13:26:02.447Z","updated_at":"2026-11-02T14:33:42.882687Z"}],"euvd":[{"id":"EUVD-2014-8518","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","status":"published","published":"2017-09-19T19:00:00Z","modified":"2024-08-06T13:26:02Z","updated_at":"2026-11-03T01:56:51.030673Z"}],"ghsa":[{"id":"GHSA-xrhp-vgm2-2xvr","title":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging...","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","status":"published","published":"2022-05-17T00:47:13Z","modified":"2025-04-20T03:46:36Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:01:52.747248Z"}],"nvd":[{"id":"CVE-2014-8686","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","status":"published","published":"2017-09-19T19:29:00.263Z","modified":"2026-06-17T00:17:10.67Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:59.001778Z"}]}}