CVE-2023-49617
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 · uneditedThe MachineSense application programmable interface (API) is improperly protected and can be accessed without authentication. A remote attacker could retrieve and modify sensitive information without any authentication.
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 confidenceThe MachineSense API lacks authentication controls, allowing unauthenticated remote attackers to access the entire API without credentials. Attackers can both retrieve and modify sensitive data, indicating full compromise of confidentiality and integrity. This is a critical authentication bypass vulnerability affecting a programmatic interface.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS 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
- High
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 checksWork through these to decide whether this CVE applies to you.
-
Identify Feverwarn device in environmentLocate any Machinesense Feverwarn physical devices or Feverwarn API services running on your network. Check network scans for devices exposing API services, typically on common HTTP/HTTPS ports.Affected if A Machinesense Feverwarn device or API service is present in the network inventory
-
Determine API endpoint exposureIdentify exposed API endpoints by accessing the Feverwarn device IP/hostname via HTTP/HTTPS. Look for API paths such as /api/, /api/v1/, or similar programmatic interfaces documented or observed.Affected if API endpoints are discovered and accessible over the network
-
Test unauthenticated API accessSend HTTP GET requests to identified API endpoints without including any authentication headers, tokens, cookies, or credentials. Use tools like curl or browser developer tools.Affected if API requests return successful responses (HTTP 2xx) without providing any credentials
-
Verify sensitive data exposureAttempt to retrieve sensitive endpoints such as user data, configuration, logs, or device readings via unauthenticated GET requests. Compare responses to expected sensitive data structures.Affected if Sensitive data is returned in API responses without authentication requirements
-
Test unauthorized data modificationSend HTTP POST, PUT, or DELETE requests to API endpoints to modify data (such as device settings, user records, or configurations) without providing any authentication credentials.Affected if Data modification operations succeed without authentication
If a Machinesense Feverwarn device with an accessible API responds to requests (reads or writes) without requiring any authentication credentials, the environment is affected by this vulnerability.
Generated from the published advisory. Verify against your own configuration.
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 dataImplement robust authentication and authorization on all API endpoints, enforce credential requirements, and conduct a comprehensive security audit to identify and remediate any other unprotected endpoints.
- Consultation8.0 h
- Implementation20.0 h
- Testing12.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,928.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-49617 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-49617 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
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.
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.
- 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