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

EPSS: 0.094 (94.9th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (Third Party Advisory, x_refsource_MISC)
  • cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
  • cret@cert.org (mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory)
  • cret@cert.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

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.