CVE-2016-4309
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
8.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| getsymphony | symphony | 2.6.7 | |
References
- http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt
- http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html
- http://www.securityfocus.com/archive/1/538714/100/0/threaded
- http://www.securityfocus.com/bid/91299
- https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd
- https://www.exploit-db.com/exploits/39983/
- http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt
- http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html
- http://www.securityfocus.com/archive/1/538714/100/0/threaded
- http://www.securityfocus.com/bid/91299
- https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd
- https://www.exploit-db.com/exploits/39983/
CWEs
CWE-362
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.