Vulnerability in Getsymphony Symphony
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.102 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.094 · newest: 0.102 · change: +0.008
Affected products
- Getsymphony Symphony — versions 2.6.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/39983/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/bid/91299 (VDB Entry, Third Party Advisory, vdb-entry)
- hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt (Third Party Advisory)
- github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243d… (Third Party Advisory)
- www.securityfocus.com/archive/1/538714/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4309?
- CVE-2016-4309 is a high-severity vulnerability in Getsymphony Symphony, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2016-06-30.
- How severe is CVE-2016-4309?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4309 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.