Missing AuthenticationWeakness · CWE-306

CVE-2025-3090

HIGH · 8.2 CVSS v3.1 Published 2025-06-24
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
91/100
Remediation priority · Urgent
Remotely reachable No privileges 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
An unauthenticated remote attacker can obtain limited sensitive information and/or DoS the device due to missing authentication for critical function.

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 vulnerability allows unauthenticated remote attackers to access a critical function without proper authentication, enabling them to obtain limited sensitive information from the device or cause a denial of service condition. The root cause is missing authentication checks on a sensitive endpoint or function.

MitigationImplement proper authentication and authorization checks for the critical function, and restrict access to authenticated and authorized users only.

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
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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. Inventory critical API endpoints and device functions
    Review system documentation, API specification files, or enumerate exposed endpoints and administrative functions. Look for routes related to sensitive operations, configuration changes, data access, or system management.
    Affected if Critical endpoints or functions exist that do not explicitly require authentication validation in their implementation
  2. Test unauthenticated access to sensitive endpoints
    Send HTTP requests to identified critical endpoints without including any authentication credentials (tokens, cookies, headers). Use tools like curl or Burp Suite to bypass login pages and directly access API routes.
    Affected if Requests to critical functions return successful responses (200 OK) or expose sensitive data without providing valid authentication
  3. Verify authentication enforcement in endpoint code or configuration
    Inspect the source code, middleware configuration, or API gateway settings for the critical functions. Check if authentication middleware, decorators, or guards are applied to each sensitive endpoint.
    Affected if Critical functions lack authentication checks or have authentication logic that can be bypassed due to misconfiguration
  4. Review security logs for unauthorized access patterns
    Examine authentication logs, access logs, and security event logs for repeated requests to sensitive endpoints from unauthenticated sources, particularly unusual access times or patterns indicative of automated scanning.
    Affected if Logs show successful unauthenticated access to sensitive functions or repeated unauthenticated attempts that succeeded
  5. Check rate limiting and access control configuration
    Inspect network configuration, API gateway settings, or firewall rules to determine if rate limiting or IP-based access controls are the only barriers preventing unauthenticated access to critical functions.
    Affected if Unauthenticated access is possible and the only protection is rate limiting rather than proper authentication enforcement

Your environment is affected if critical API endpoints or device functions can be accessed or manipulated without valid authentication credentials.

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 for the critical function, and restrict access to authenticated and authorized users only.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,800
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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-2025-3090 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
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