Missing AuthenticationWeakness · CWE-306

CVE-2024-52437

HIGH · 8.8 CVSS v3.1 Published 2024-11-20
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Missing Authentication for Critical Function vulnerability in Saul Morales Pacheco Banner System banner-system allows Privilege Escalation.This issue affects Banner System: from n/a through <= 1.0.0.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

The Banner System by Saul Morales Pacheco contains a missing authentication vulnerability for a critical function that allows privilege escalation. This means unauthenticated attackers can access a protected function that should require authentication, potentially elevating their privileges within the system.

MitigationImplement proper authentication and authorization checks on the vulnerable critical function. Since this is a privilege escalation issue, ensure all sensitive operations verify user identity and permissions before execution.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Banner System version
    Check the installed version of the Banner System plugin/theme/component. This is typically found in the version file, header comment of the main PHP file, or the plugin/theme metadata (e.g., style.css for themes, main plugin file for plugins). Look for a version number displayed in the admin panel or in the version metadata.
    Affected if The installed version is 1.0.0 or any version lower than the latest patched version available.
  2. Locate the critical function
    Review the source code of the Banner System for any function that handles privilege escalation, user role assignment, or administrative operations. Search for functions related to user permissions, role changes, or admin actions without an explicit authentication check.
    Affected if A critical function exists that performs privilege escalation or administrative actions without requiring user authentication.
  3. Verify authentication is missing on vulnerable endpoint
    Examine the code surrounding the critical function identified. Check if there are any is_user_logged_in(), check_admin_referer(), or similar authentication/authorization checks before the privileged operation executes. Also inspect the routing/URL patterns to confirm the endpoint is accessible without credentials.
    Affected if The critical function can be accessed by unauthenticated (not-logged-in) users via direct URL access or API call without any authentication token or session.
  4. Test for unauthenticated privilege escalation
    If you have a test environment, attempt to access the critical function endpoint directly using a browser or curl request while NOT logged in. Observe if the request is processed or rejected. Look for HTTP status codes: 200 or 403 versus 401 or a redirect to a login page.
    Affected if The application accepts and processes requests to the critical function without requiring authentication credentials, allowing privilege escalation.

You are affected if the Banner System version is 1.0.0 or lower AND the critical function handling privilege escalation is exposed without authentication checks, allowing unauthenticated users to escalate privileges.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement proper authentication and authorization checks on the vulnerable critical function. Since this is a privilege escalation issue, ensure all sensitive operations verify user identity and permissions before execution.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,980
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-52437 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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