CVE-2021-34577 : Vulnerability Insights and Analysis
Learn about CVE-2021-34577, a vulnerability allowing unauthorized access to Kaden PICOFLUX AiR water meter system. Impact, technical details, and mitigation steps included.
This article provides detailed information about CVE-2021-34577, a vulnerability related to hardcoded credentials in Kaden PICOFLUX AiR water meter system.
Understanding CVE-2021-34577
CVE-2021-34577 is a security vulnerability that allows an adversary to read values from the Kaden PICOFLUX AiR water meter using wireless M-Bus mode 5 with a hardcoded shared key, when in proximity to the device.
What is CVE-2021-34577?
The CVE-2021-34577 vulnerability exists in the Kaden PICOFLUX AiR water meter, enabling unauthorized individuals to access sensitive information via wireless M-Bus mode 5.
The Impact of CVE-2021-34577
The impact of this vulnerability is classified as a medium severity with high confidentiality impact, as adversaries can exploit trusted credentials to gain unauthorized access.
Technical Details of CVE-2021-34577
CVE-2021-34577 is rated with a CVSS v3.1 base score of 6.5 (Medium severity) due to the utilization of hardcoded credentials to compromise confidentiality. The attack complexity is low, and the attack vector is through an adjacent network.
Vulnerability Description
The vulnerability is related to the hardcoded shared key in the Kaden PICOFLUX AiR water meter, allowing adversaries to read values through wireless M-Bus mode 5.
Affected Systems and Versions
The affected system is the PICOFLUX AiR water meter manufactured by Kaden, with all versions being susceptible to this vulnerability.
Exploitation Mechanism
Adversaries can exploit this vulnerability by leveraging wireless M-Bus mode 5 and the hardcoded shared key to read values from the device.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-34577, immediate steps should be taken to secure the affected systems and ensure long-term security practices are implemented.
Immediate Steps to Take
It is recommended to change the default shared key in the PICOFLUX AiR water meter and restrict physical access to the device to prevent unauthorized reading of values.
Long-Term Security Practices
Implement proper access controls, conduct regular security assessments, and monitor network traffic to detect and prevent unauthorized access attempts.
Patching and Updates
Regularly update the firmware of the Kaden PICOFLUX AiR water meter to address any security vulnerabilities and ensure the latest security patches are applied.