MachineSense FeverWarn Missing Authentication for Critical Function
Priority LOW 34CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
The cloud provider MachineSense uses for integration and deployment for multiple MachineSense devices, such as the programmable logic controller (PLC), PumpSense, PowerAnalyzer, FeverWarn, and others is insufficiently protected against unauthorized access. An attacker with access to the internal procedures could view source code, secret credentials, and more.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00582 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MachineSense | FeverWarn | ESP32; RaspberryPi; DataHub RaspberryPi | — | No fix listed | CNA |
- FeverWarn VendorMachineSense Affected ESP32; RaspberryPi; DataHub RaspberryPi Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:machinesense:feverwarn_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MachineSense |
| cpe:2.3:h:machinesense:feverwarn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MachineSense |
- cpe:2.3:o:machinesense:feverwarn_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MachineSense
- cpe:2.3:h:machinesense:feverwarn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MachineSense
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6221
- 2026-10-03 Alias added: GHSA-cxwq-x5m7-2p4v
References
More MachineSense Feverwarn Firmware vulnerabilities
- TI-2023-25195 MachineSense FeverWarn Use of Hard-coded Credentials CVSS 3.1CRITICAL 9.8
- TI-2023-27098 MachineSense FeverWarn Missing Authentication for Critical Function CVSS 3.1CRITICAL 10.0
- TI-2023-26780 MachineSense FeverWarn Missing Authentication for Critical Function CVSS 3.1HIGH 7.5
- TI-2023-25971 MachineSense FeverWarn Improper Access Control CVSS 3.1HIGH 8.8
- TI-2023-27095 MachineSense FeverWarn Improper Input Validation CVSS 3.1HIGH 8.1
Sources
- CVE-2023-6221 · CVE Program
- CVE-2023-6221 · NVD
- FIRST EPSS
- GHSA-cxwq-x5m7-2p4v · GitHub Advisory Database · CC BY 4.0
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