Missing AuthorizationWeakness · CWE-862

CVE-2025-31791

MEDIUM · 5.4 CVSS v3.1 Published 2025-04-01
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
60/100
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
Missing Authorization vulnerability in Oliver Boyers Pin Generator pin-generator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Pin Generator: from n/a through <= 2.0.0.

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

Missing authorization vulnerability in Pin Generator allows attackers to exploit incorrectly configured access control security levels. Users can access functionality or data beyond their intended permission level due to missing or improper authorization checks on certain endpoints or operations.

MitigationImplement proper role-based or level-based authorization checks on all sensitive endpoints and operations, ensuring users can only access resources appropriate to their security level.

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
None
Integrity
Low
Availability
Low

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

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 Pin Generator installation
    Search for Pin Generator application files, services, or packages on the system. Check common installation directories, application lists, or running services.
    Affected if Pin Generator software is installed on the system
  2. Locate configuration files
    Find configuration files for Pin Generator (typically in config/, settings/, or application root directories). Look for files named config.json, settings.yaml, application.properties, or similar.
    Affected if Configuration files exist and contain security-related settings
  3. Check authorization settings
    Inspect configuration files for authorization, access control, or permission settings. Look for fields related to roles, permissions, security levels, or access control lists.
    Affected if Authorization settings are missing, set to permissive values (e.g., allow-all), or contain no role-based access control configuration
  4. Review endpoint definitions
    Examine API endpoint definitions, route configurations, or service definitions for sensitive operations (e.g., PIN generation, PIN modification, user management). Identify which endpoints lack permission checks.
    Affected if Sensitive endpoints exist without defined authorization requirements or with improper access control
  5. Test access control enforcement
    Attempt to access higher-privilege endpoints or operations with a lower-privilege account. Compare actual behavior against expected role-based restrictions.
    Affected if Lower-privilege users can access functionality or data intended for higher-privilege users

A user is affected if Pin Generator is installed and sensitive endpoints or operations lack proper authorization enforcement, allowing unauthorized access beyond the user's intended permission level.

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 role-based or level-based authorization checks on all sensitive endpoints and operations, ensuring users can only access resources appropriate to their security level.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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Scan for this in your stack

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dbcve dependency scanner

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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-2025-31791 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