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Authorization Bypass (IDOR)Weakness · CWE-639

CVE-2025-4040

HIGH · 7.1 CVSS v3.1 Published 2025-07-21
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
77/100
Remediation priority · High
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
Authorization Bypass Through User-Controlled Key vulnerability in Turpak Automatic Station Monitoring System allows Privilege Escalation. This issue affects Automatic Station Monitoring System: before 5.0.6.51.

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

This is an IDOR (Insecure Direct Object Reference) style authorization bypass where the application uses user-controlled parameters (keys) to determine access rights without proper validation. An attacker can manipulate these keys to bypass authorization checks and escalate privileges from a lower-privileged account to administrative or higher-level access.

MitigationUpgrade Turpak Automatic Station Monitoring System to version 5.0.6.51 or later. As an interim measure, implement strict server-side authorization validation on all user-supplied parameters before granting access to resources or privileged operations.

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
Low
Availability
None

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

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 if Turpak Automatic Station Monitoring System is installed
    Check the installed software inventory or list of running services for 'Turbopak' or 'Automatic Station Monitoring System'
    Affected if The system is present in the environment
  2. Determine the installed version
    Use the system's built-in version check command, check the About dialog, or examine the application metadata files if accessible
    Affected if The version is lower than 5.0.6.51 or cannot be determined (treat unknown versions as potentially affected)
  3. Review application logs for authorization anomalies
    Examine application and audit logs for unusual access patterns, privilege escalation attempts, or failed authorization checks involving parameter manipulation
    Affected if Logs show access patterns where user-supplied parameters (keys) were used to access resources outside the user's intended permission scope
  4. Check for user-controlled parameter usage in access control logic
    Inspect application configuration or code if accessible to identify if access control decisions rely on user-supplied parameters (keys) without server-side validation
    Affected if The application uses user-controlled keys/parameters for authorization decisions without proper validation

A user is affected if Turpak Automatic Station Monitoring System is installed with a version before 5.0.6.51 and the application uses user-supplied parameters for access control decisions.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade Turpak Automatic Station Monitoring System to version 5.0.6.51 or later. As an interim measure, implement strict server-side authorization validation on all user-supplied parameters before granting access to resources or privileged operations.

Recommended fix Moderate confidence

5.0.6.51

  1. Identify the current version of Turpak Automatic Station Monitoring System in use
  2. If the current version is before 5.0.6.51, obtain the fixed version 5.0.6.51 or later from the vendor (Turpak)
  3. Test the upgrade in a non-production environment to ensure compatibility
  4. Schedule a maintenance window for the upgrade
  5. Back up all current configurations and data
  6. Apply the upgrade to version 5.0.6.51 or later
  7. Verify the upgrade was successful by checking the new version number
  8. Confirm the IDOR vulnerability (CVE-2025-4040) is resolved through testing
Caveat Review Turpak release notes for any changes in functionality or configuration requirements between your current version and 5.0.6.51

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing10.0 h
  • Review / QA6.0 h
34.0 hours of engineering $5,940
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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-2025-4040 in production — separate from our analysis above.

No notes yet

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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
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data