What is CVE-2019-12204?

CVE-2019-12204 is a critical-severity vulnerability in Silverstripe. CVSS score: 9.8/10. Published 2019-09-25.

How severe is CVE-2019-12204?

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

Vulnerability in Silverstripe

CVE-2019-12204

In SilverStripe through 4.3.3, a missing warning about leaving install.php in a public webroot can lead to unauthenticated admin access.

Published 2019-09-25 · 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: 0.015 (73.4th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Silverstripe

References

www.silverstripe.org/download/security-releases/ (Vendor Advisory)
forum.silverstripe.org/c/releases (Release Notes, Vendor Advisory)
www.silverstripe.org/download/security-releases/CVE-2019-12204 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-12204?: CVE-2019-12204 is a critical-severity vulnerability in Silverstripe. CVSS score: 9.8/10. Published 2019-09-25.
How severe is CVE-2019-12204?: Critical severity. CVSS v3 base score is 9.8 out of 10.