Missing AuthenticationWeakness · CWE-306

CVE-2024-48966

CRITICAL · 10.0 CVSS v3.1 Published 2024-11-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
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
The software tools used by service personnel to test & calibrate the ventilator do not support user authentication. An attacker with access to the Service PC where the tools are installed could obtain diagnostic information through the test tool or manipulate the ventilator's settings and embedded software via the calibration tool, without having to authenticate to either tool. This could result in unauthorized disclosure of information and/or have unintended impacts on device settings and performance.

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 · high confidence

Service PC tools for testing and calibrating ventilators lack authentication mechanisms. An attacker with access to the Service PC can use the unauthenticated diagnostic test tool to read sensitive diagnostic information, and use the calibration tool to modify ventilator settings and flash embedded software without authorization.

MitigationImplement user authentication for both the diagnostic test tool and calibration tool, requiring credentials before allowing access to diagnostic data or modification of device settings. Consider additional network segmentation to restrict Service PC access.

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
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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. Verify authentication is required for the diagnostic test tool
    Locate the service PC diagnostic test tool configuration or access settings. Check whether any form of user authentication (login, password, token, certificate) is enforced before the tool can be launched or its functions accessed.
    Affected if The diagnostic test tool launches or reveals sensitive information without requiring any credentials or authentication step
  2. Verify authentication is required for the calibration tool
    Locate the service PC calibration tool configuration or access settings. Check whether any form of user authentication is enforced before the tool can be used to modify ventilator settings or embedded software.
    Affected if The calibration tool functions are accessible without requiring any credentials or authentication step
  3. Check network access controls on the Service PC
    Review network configuration, firewall rules, or access control lists (ACLs) on the Service PC to determine if the diagnostic or calibration tools are exposed over the network. Verify if remote access to these tools is restricted or requires authentication.
    Affected if The diagnostic or calibration tools are network-accessible without authentication from systems other than authorized service terminals
  4. Review user access control configuration for service tools
    Examine the user account, role, or permission settings associated with the service PC tools. Determine if there are defined user roles, privilege levels, or access control lists governing who can execute diagnostic or calibration functions.
    Affected if Any user account or no user account can access and execute the full range of diagnostic and calibration functions without role-based restrictions
  5. Inspect audit or access logs for service tool usage
    Check system logs, application logs, or audit trails generated by the diagnostic and calibration tools. Determine if successful tool access is recorded with user identification, and if failed authentication attempts are logged.
    Affected if Tool execution events lack user identification or authentication status, indicating authentication is not being enforced or tracked

The environment is affected if the diagnostic test tool or calibration tool can be accessed and executed without any form of user authentication, regardless of whether access is physical or over the network.

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 user authentication for both the diagnostic test tool and calibration tool, requiring credentials before allowing access to diagnostic data or modification of device settings. Consider additional network segmentation to restrict Service PC access.

Have this fixed Scoped from the published advisory
  • Consultation8.0 h
  • Implementation24.0 h
  • Testing16.0 h
  • Review / QA8.0 h
56.0 hours of engineering $9,760
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $15,616.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-48966 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

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-2024-48966 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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