CVE-2016-4309
HIGHCVSS 7.5/10EPSS 9.42%
Last modified
CVE-2016-4309 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 9.42% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Getsymphony | Symphony | 2.6.7 |
References
- http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txtThird Party Advisory
- http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/538714/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/91299Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/39983/Exploit, Third Party Advisory, VDB Entry
- http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txtThird Party Advisory
- http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/538714/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/91299Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/39983/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-4309?
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.
How severe is CVE-2016-4309?
CVE-2016-4309 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 9.42% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4309?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2016-4309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST