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CVE Record

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

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-46366 affects the Magnolia CMS login page in version 6.2.3 and below. The reported issue combines open redirect and CSRF behavior that could help attackers trick users and target credentials. Business impact depends on whether exposed Magnolia login pages exist and whether accounts have valuable CMS or administrative access.

Executive priority

Treat this as a credential-risk issue for any exposed Magnolia CMS deployment. Prioritize inventory first, then remediation of version 6.2.3 or below. Urgency increases if the CMS controls public content, customer data, privileged publishing workflows, or SSO-connected administrator accounts.

Technical view

The CVE description reports open redirect and CSRF weaknesses in Magnolia CMS v6.2.3 and below login functionality, enabling credential brute forcing and exfiltration scenarios. The bundle provides no CVSS score, CWE mapping, or confirmed exploit-in-the-wild evidence. Vendor release notes for Magnolia CMS 6.2.4 are cited as security advisory material.

Likely exposure

Organizations running Magnolia CMS v6.2.3 or below, especially with internet-facing login pages, are the likely exposed population. The provided CPE data is not populated, so asset matching may require software inventory and application-owner confirmation rather than automated CPE-only matching.

Exploitation context

The CVE is not listed as KEV in the supplied bundle, and no cited source states active exploitation. Public disclosure material is referenced on GitHub, so defenders should assume technical details may be available, but the bundle does not justify claiming current exploitation.

Researcher notes

The public bundle is thin: no CVSS, CWE, CPE, or exploit-status confirmation is provided. Analysis should stay anchored to Magnolia CMS v6.2.3 and below and the login-page open redirect plus CSRF description. Avoid broad claims about other Magnolia versions or products without vendor confirmation.

Mitigation direction

  • Identify Magnolia CMS deployments and versions across public and internal environments.
  • Review Magnolia CMS 6.2.4 security advisory and follow vendor upgrade guidance.
  • Move instances off Magnolia CMS 6.2.3 or below where vendor guidance applies.
  • Enforce strong MFA and account lockout protections for CMS administrator accounts.
  • Review redirect and CSRF protections around login workflows.

Validation and detection

  • Confirm whether any Magnolia CMS login page is internet-facing.
  • Verify each Magnolia deployment version with application owners or build metadata.
  • Review authentication logs for abnormal failed-login patterns or suspicious redirects.
  • Confirm login flows do not accept untrusted redirect destinations.
  • Check whether CSRF controls are enabled and effective on authentication-related requests.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-46366 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.