Auth bypass in Machinesense Feverwarn
CVE-2023-6221
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Machinesense Feverwarn — versions ESP32, RaspberryPi, DataHub RaspberryPi
- Machinesense Feverwarn Firmware
Weakness classification (CWE)
References
- www.cisa.gov/news-events/ics-advisories/icsa-24-025-01 (US Government Resource, Third Party Advisory)
- machinesense.com/pages/about-machinesense (Product)
Frequently asked questions
- What is CVE-2023-6221?
- CVE-2023-6221 is a high-severity vulnerability in Machinesense Feverwarn, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2024-02-01.
- How severe is CVE-2023-6221?
- High severity. CVSS v3 base score is 7.7 out of 10.