What is CVE-2016-9450?

CVE-2016-9450 is a high-severity vulnerability in Drupal, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2016-11-25.

How severe is CVE-2016-9450?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Drupal

CVE-2016-9450

The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.

Published 2016-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Drupal — versions 8.0.0, 8.0.1, 8.0.2

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

www.securityfocus.com/bid/94367 (VDB Entry, Third Party Advisory, vdb-entry)
www.drupal.org/SA-CORE-2016-005 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-9450?: CVE-2016-9450 is a high-severity vulnerability in Drupal, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2016-11-25.
How severe is CVE-2016-9450?: High severity. CVSS v3 base score is 7.5 out of 10.