What is CVE-2013-4621?

CVE-2013-4621 is a critical-severity vulnerability in Magdevgroup Magnolia Cms, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-12-27.

How severe is CVE-2013-4621?

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

Auth bypass in Magdevgroup Magnolia Cms

CVE-2013-4621

Magnolia CMS before 4.5.9 has multiple access bypass vulnerabilities

Vulnerability class: Broken Authentication

Published 2019-12-27 · last modified 2026-06-16.

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: 0.018 (77.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Magdevgroup Magnolia Cms

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.securityfocus.com/bid/60761 (VDB Entry, Third Party Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/85252 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2013-4621?: CVE-2013-4621 is a critical-severity vulnerability in Magdevgroup Magnolia Cms, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-12-27.
How severe is CVE-2013-4621?: Critical severity. CVSS v3 base score is 9.8 out of 10.