What is CVE-2016-3168?

CVE-2016-3168 is a medium-severity vulnerability in Drupal, classified under CWE-254. CVSS score: 6.4/10. Published 2016-04-12.

How severe is CVE-2016-3168?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Drupal

CVE-2016-3168

The System module in Drupal 6.x before 6.38 and 7.x before 7.43 might allow remote attackers to hijack the authentication of site administrators for requests that download and run files with arbitrary JSON-encoded content, aka a "reflected file download vulnerability."

Published 2016-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: -0.000

Affected products

Drupal — versions 6.0, 6.1, 6.2
Debian Linux — versions 7.0, 8.0

Weakness classification (CWE)

CWE-254

References

www.openwall.com/lists/oss-security/2016/02/24/19 (mailing-list)
www.openwall.com/lists/oss-security/2016/03/15/10 (mailing-list)
www.debian.org/security/2016/dsa-3498 (vendor-advisory)
www.drupal.org/SA-CORE-2016-001 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-3168?: CVE-2016-3168 is a medium-severity vulnerability in Drupal, classified under CWE-254. CVSS score: 6.4/10. Published 2016-04-12.
How severe is CVE-2016-3168?: Medium severity. CVSS v3 base score is 6.4 out of 10.