CVE-2016-4309

7.5 HIGH

Published: June 30, 2016 Modified: May 06, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt

Source: cret@cert.org

Third Party Advisory

http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html

Source: cret@cert.org

Exploit Third Party Advisory VDB Entry

http://www.securityfocus.com/archive/1/538714/100/0/threaded

Source: cret@cert.org

Third Party Advisory VDB Entry

http://www.securityfocus.com/bid/91299

Source: cret@cert.org

Third Party Advisory VDB Entry

https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd

Source: cret@cert.org

Third Party Advisory

https://www.exploit-db.com/exploits/39983/

Source: cret@cert.org

Exploit Third Party Advisory VDB Entry

http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt