CVE-2016-4309 is a session fixation vulnerability affecting Symphony CMS version 2.6.7 when the session.use_only_cookies setting is disabled. This allows remote attackers to hijack web sessions by manipulating the PHPSESSID parameter. The vulnerability carries a high CVSS score of 7.5, indicating a high potential for impact including compromise of confidentiality, integrity, and availability, with an attack requiring user interaction and high attack complexity. While not listed on the KEV catalog or Hot List, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.6.7CPE matchmatch criteria | cpe:2.3:a:getsymphony:symphony:2.6.7:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.