MachineSense FeverWarn Missing Authentication for Critical Function
Priority MEDIUM 40CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
MachineSense devices use unauthenticated MQTT messaging to monitor devices and remote viewing of sensor data by users.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00592 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
- Yes
- 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-2023-49115
- 2026-10-03 Alias added: GHSA-q7xm-vq7m-w9hh
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-2023-25971 MachineSense FeverWarn Improper Access Control CVSS 3.1HIGH 8.8
- TI-2023-27095 MachineSense FeverWarn Improper Input Validation CVSS 3.1HIGH 8.1
- TI-2023-05714 MachineSense FeverWarn Missing Authentication for Critical Function CVSS 3.1HIGH 7.7
Sources
- CVE-2023-49115 · CVE Program
- CVE-2023-49115 · NVD
- FIRST EPSS
- GHSA-q7xm-vq7m-w9hh · GitHub Advisory Database · CC BY 4.0
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