{"id":"CVE-2016-4309","aliases":["EUVD-2016-5309","GHSA-rgfr-7g9m-xpr3"],"status":"published","title":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled,...","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.1022,"percentile":0.95705,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-362"],"published":"2016-06-30T17:00:00Z","modified":"2026-10-20T10:47:27Z","exploits":[{"source":"exploitdb","id":"EDB-39983","title":"Symphony CMS 2.6.7 - Session Fixation","type":"webapps","platform":"php","date":"2016-06-20","url":"https://www.exploit-db.com/exploits/39983"}],"products":[{"vendor":"getsymphony","product":"symphony"}],"references":[{"url":"https://www.exploit-db.com/exploits/39983/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"http://www.securityfocus.com/bid/91299","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/archive/1/538714/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4309"},{"url":"https://www.exploit-db.com/exploits/39983"},{"url":"https://github.com/advisories/GHSA-rgfr-7g9m-xpr3"}],"sources":{"cve":[{"id":"CVE-2016-4309","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","status":"published","published":"2016-06-30T17:00:00Z","modified":"2024-08-06T00:25:14.089Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5309","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","status":"published","published":"2016-06-30T17:00:00Z","modified":"2024-08-06T00:25:14Z","updated_at":"2026-11-03T02:22:46.750795Z"}],"ghsa":[{"id":"GHSA-rgfr-7g9m-xpr3","title":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled,...","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","status":"published","published":"2022-05-13T01:18:00Z","modified":"2025-04-12T13:02:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:01:28.663035Z"}],"nvd":[{"id":"CVE-2016-4309","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","status":"published","published":"2016-06-30T17:59:02.813Z","modified":"2026-06-17T00:47:19.567Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:03:26.642445Z"}],"osv":[{"id":"CVE-2016-4309","description":"Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.","status":"published","published":"2016-06-30T17:59:02.813Z","modified":"2026-10-20T10:47:27.744494351Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.454775Z"}]}}