What is CVE-2019-6020?

CVE-2019-6020 is a medium-severity vulnerability in Alfasado Powercms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2019-12-26.

How severe is CVE-2019-6020?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Alfasado Powercms

CVE-2019-6020

Open redirect vulnerability in PowerCMS 5.12 and earlier (PowerCMS 5.x), 4.42 and earlier (PowerCMS 4.x), and 3.293 and earlier (PowerCMS 3.x) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a specially crafted URL.

Vulnerability class: Open Redirect

Published 2019-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (56.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Alfasado Powercms
Alfasado Inc. Powercms — versions 5.12 and earlier (PowerCMS 5.x), 4.42 and earlier (PowerCMS 4.x), and 3.293 and earlier (PowerCMS 3.x)

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.powercms.jp/news/release-powercms-201910.html (Release Notes, Vendor Advisory)
jvn.jp/en/jp/JVN34634458/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2019-6020?: CVE-2019-6020 is a medium-severity vulnerability in Alfasado Powercms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2019-12-26.
How severe is CVE-2019-6020?: Medium severity. CVSS v3 base score is 6.1 out of 10.