What is CVE-2014-5170?

CVE-2014-5170 is a critical-severity vulnerability in Drupal Storage API, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-03-29.

How severe is CVE-2014-5170?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Drupal Storage API

CVE-2014-5170

The Storage API module 7.x before 7.x-1.6 for Drupal might allow remote attackers to execute arbitrary code by leveraging failure to update .htaccess file contents after SA-CORE-2013-003.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.038 (89.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.039 · newest: 0.038 · change: -0.001

Affected products

Drupal Storage API — versions 7.x-1.0, 7.x-1.1, 7.x-1.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.drupal.org/node/2312769 (Vendor Advisory)
www.drupal.org/node/2312655 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/95054 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2014/07/31/4 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2014-5170?: CVE-2014-5170 is a critical-severity vulnerability in Drupal Storage API, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-03-29.
How severe is CVE-2014-5170?: Critical severity. CVSS v3 base score is 9.8 out of 10.