Auth bypass in Machinesense Feverwarn
CVE-2023-49115
MachineSense devices use unauthenticated MQTT messaging to monitor devices and remote viewing of sensor data by users.
Vulnerability class: Broken Authentication
EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Machinesense Feverwarn — versions ESP32, RaspberryPi, DataHub RaspberryPi
- Machinesense Feverwarn_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
- ics-cert@hq.dhs.gov (Product)
Frequently asked questions
- What is CVE-2023-49115?
- CVE-2023-49115 is a high-severity vulnerability in Machinesense Feverwarn, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2024-02-01.
- How severe is CVE-2023-49115?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-49115 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.