CVE-2021-46366: An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect

Q: How do I fix CVE-2021-46366?

magnolia cms: upgrade to 6.2.4. Exact commands for each OS are on this page.

Q: Is CVE-2021-46366 being exploited?

CVE-2021-46366 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-2021-46366 affect?

CVE-2021-46366 affects magnolia cms. Severity is high (CVSS 8.8). An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect vulnerability and Cross-Site Request Forgery (CSRF) in order to brute force and exfiltrate users' credentials.

Q: How urgent is CVE-2021-46366?

Priority 50/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-46366 is a high-severity flaw (CVSS 8.8) affecting magnolia cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect vulnerability and Cross-Site Request Forgery (CSRF) in order to brute force and exfiltrate users' credentials.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-352, CWE-601
Published	2022-02-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: magnolia-cms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-02-11 21:15 UTCPublished CVE record published
2026-06-17 04:14 UTCUpdated Record last modified

magnolia-cms magnolia cms UPGRADE

Affected: < 6.2.4

Fixed in: 6.2.4

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 6.2.4 (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-2021-46366?

magnolia cms: upgrade to 6.2.4. Exact commands for each OS are on this page.

Is CVE-2021-46366 being exploited?

CVE-2021-46366 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-2021-46366 affect?

CVE-2021-46366 affects magnolia cms. Severity is high (CVSS 8.8). An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect vulnerability and Cross-Site Request Forgery (CSRF) in order to brute force and exfiltrate users' credentials.

How urgent is CVE-2021-46366?

Priority 50/100. High severity; Public exploit reference

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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
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References

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