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Authorization Bypass (IDOR)Weakness · CWE-639

CVE-2025-5518

MEDIUM · 6.5 CVSS v3.1 Published 2025-09-16
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
71/100
Remediation priority · Elevated
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 with user privileges in ArgusTech BILGER allows Exploitation of Trusted Identifiers. This issue affects BILGER: before 2.4.6.

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 Insecure Direct Object Reference (IDOR) authorization bypass where an authenticated user can manipulate a trusted identifier (such as a record ID, object key, or reference parameter) in a request to access resources belonging to other users. The application fails to validate that the requesting user has permission to access the specific resource identified by the user-controlled key.

MitigationUpgrade ArgusTech BILGER to version 2.4.6 or later. Additionally, implement proper authorization checks on all endpoints that accept user-controlled identifiers to verify the current user has permission to access the requested resource.

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
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 installed version of ArgusTech BILGER
    Locate the application version through the software's about page, startup logs, version file in the installation directory, or by querying the application's API/version endpoint
    Affected if The installed version is earlier than 2.4.6 and the application handles user-specific data through identifier-based requests
  2. Identify endpoints accepting user-controlled identifiers
    Review application API documentation, or use a proxy to capture requests and identify parameters that accept record IDs, object keys, or reference values (commonly found in URLs like /resource/{id} or API calls with id= parameter)
    Affected if The application exposes endpoints that accept user-controllable identifier parameters to access data objects
  3. Test for proper authorization on identifier-based requests
    Using an authenticated account, make a request to an endpoint with an identifier that belongs to a different user (such as accessing /api/users/123 when authenticated as user 456) and verify the response
    Affected if The application returns data for identifiers belonging to other users without performing ownership verification
  4. Check for missing ownership validation in code or configuration
    If source code or configuration is accessible, search for authorization logic that validates the current user has permission to access the resource identified by the user-controlled parameter before returning data
    Affected if No authorization check exists that verifies the requesting user owns or has permission to access the resource identified by the submitted identifier

A user is affected if they are running ArgusTech BILGER version earlier than 2.4.6 and the application exposes endpoints that accept user-controlled identifiers without proper ownership validation.

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 ArgusTech BILGER to version 2.4.6 or later. Additionally, implement proper authorization checks on all endpoints that accept user-controlled identifiers to verify the current user has permission to access the requested resource.

Recommended fix Moderate confidence

BILGER version 2.4.6

  1. 1. Back up your current ArgusTech BILGER installation and database before proceeding with any upgrade.
  2. 2. Obtain the BILGER version 2.4.6 release package from the official vendor (ArgusTech).
  3. 3. Review the vendor's upgrade documentation for version 2.4.6.
  4. 4. Install version 2.4.6 following the vendor's standard upgrade procedure.
  5. 5. After upgrading, verify that the authorization bypass vulnerability is resolved by testing user-controlled key operations.
  6. 6. Confirm that existing user permissions and access controls function correctly post-upgrade.
Caveat Review vendor release notes for any changes in functionality or configuration requirements between your current version and 2.4.6

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

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA3.0 h
25.0 hours of engineering $4,400
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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-2025-5518 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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