CVE-2016-4309

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

9.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.0% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-06-30 17:00Z10 YR AGO

Last updated

2024-08-06 00:25Z2 YR AGO

Reserved

2016-04-27

Assigning CNA

certcc

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

3353f1fa9014274e2b021c961ab3014c2dd032dc3196c2de0f6312a5fa5cc0ea

• www.exploit-db.com39983https://www.exploit-db.com/exploits/39983/exploitx_refsource_EXPLOIT-DB
• www.securityfocus.com91299http://www.securityfocus.com/bid/91299vdb-entryx_refsource_BID
• hyp3rlinx.altervista.orghttp://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txtx_refsource_MISC
• github.comhttps://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcdx_refsource_CONFIRM
• www.securityfocus.com20160620 Symphony CMS v2.6.7 Session Fixationhttp://www.securityfocus.com/archive/1/538714/100/0/threadedmailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.htmlx_refsource_MISC