What is CVE-2020-14067?

CVE-2020-14067 is a critical-severity vulnerability in Naviwebs Navigatecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-06-15.

How severe is CVE-2020-14067?

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

Arbitrary file upload in Naviwebs Navigatecms

CVE-2020-14067

The install_from_hash functionality in Navigate CMS 2.9 does not consider the .phtml extension when examining files within a ZIP archive that may contain PHP code, in check_upload in lib/packages/extensions/extension.class.php and lib/packages/themes/theme.class.php.

Vulnerability class: Unrestricted File Upload

Published 2020-06-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Naviwebs Navigatecms — versions 2.9

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/NavigateCMS/Navigate-CMS/commit/f1f47126b359d73a2635306ae46d8719c14d… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14067?: CVE-2020-14067 is a critical-severity vulnerability in Naviwebs Navigatecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-06-15.
How severe is CVE-2020-14067?: Critical severity. CVSS v3 base score is 9.8 out of 10.