1. EXECUTIVE SUMMARY
- CVSS v3 10.0
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: MachineSense LLC.
- Equipment: MachineSense FeverWarn
- Vulnerabilities: Missing Authentication for Critical Function, Use of Hard-coded Credentials, Improper Access Control, OS Command Injection, Improper Restriction of Operations within the Bounds of a Memory Buffer
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an attacker to obtain user data from devices, execute remote code on devices, or gain control over devices to perform malicious actions.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following components of the FeverWarn ecosystem, an IoT-based skin temperature scanning system, are affected:
- FeverWarn: ESP32
- FeverWarn: RaspberryPi
- FeverWarn: DataHub RaspberryPi
3.2 Vulnerability Overview
3.2.1 Missing Authentication for Critical Function CWE-306
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.
CVE-2023-6221 has been assigned to this vulnerability. A CVSS v3 base score of 7.7 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
3.2.2 Use of Hard-coded Credentials CWE-798
Multiple MachineSense devices have credentials unable to be changed by the user or administrator.