CVE-2013-4621: Magnolia CMS before 4.5.9 has multiple access bypass vulnerabilities

Q: How do I fix CVE-2013-4621?

magnolia cms: upgrade to 4.5.9. Exact commands for each OS are on this page.

Q: Is CVE-2013-4621 being exploited?

CVE-2013-4621 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-4621 affect?

CVE-2013-4621 affects magnolia cms. Severity is critical (CVSS 9.8). Magnolia CMS before 4.5.9 has multiple access bypass vulnerabilities

Q: How urgent is CVE-2013-4621?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2013-4621 is a critical-severity flaw (CVSS 9.8) affecting magnolia cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Magnolia CMS before 4.5.9 has multiple access bypass vulnerabilities

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-287
Published	2019-12-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: magdevgroup

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-12-27 17:15 UTCPublished CVE record published
2026-06-16 23:57 UTCUpdated Record last modified

magdevgroup magnolia cms UPGRADE

Affected: < 4.5.9

Fixed in: 4.5.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy magnolia-cms || rpm -q magnolia-cms || magnolia-cms --version

2. UPGRADE to 4.5.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade magnolia-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade magnolia-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-4621?

magnolia cms: upgrade to 4.5.9. Exact commands for each OS are on this page.

Is CVE-2013-4621 being exploited?

CVE-2013-4621 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-4621 affect?

CVE-2013-4621 affects magnolia cms. Severity is critical (CVSS 9.8). Magnolia CMS before 4.5.9 has multiple access bypass vulnerabilities

How urgent is CVE-2013-4621?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-33098 MEDIUM 6.1 DOWNGRADE Magnolia CMS v6.2.19 was discovered to contain a cross-site scripting (XSS) vulnerability via the Edit Contact
CVE-2021-46366 HIGH 8.8 UPGRADE An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect
CVE-2021-46365 HIGH 7.8 UPGRADE An issue in the Export function of Magnolia v6.2.3 and below allows attackers to execute XML External Entity a
CVE-2021-46364 HIGH 7.8 UPGRADE A vulnerability in the Snake YAML parser of Magnolia CMS v6.2.3 and below allows attackers to execute arbitrar
CVE-2021-46363 HIGH 7.8 UPGRADE An issue in the Export function of Magnolia v6.2.3 and below allows attackers to perform Formula Injection att

References

← Back to latest CVEs