CVE-2020-9021 Explained : Impact and Mitigation

Post Oak AWAM Bluetooth Field Device is vulnerable to operating system command injections through specific parameters.

Understanding CVE-2020-9021

What is CVE-2020-9021?

The vulnerability in Post Oak AWAM Bluetooth Field Device allows attackers to inject operating system commands through a specific parameter, potentially leading to unauthorized access or system compromise.

The Impact of CVE-2020-9021

The vulnerability can be exploited by malicious actors to execute arbitrary commands on the affected device, compromising its integrity and confidentiality.

Technical Details of CVE-2020-9021

Vulnerability Description

The vulnerability in Post Oak AWAM Bluetooth Field Device allows for injections of operating system commands through the timeconfig.py file using shell metacharacters in the htmlNtpServer parameter.

Affected Systems and Versions

Post Oak AWAM Bluetooth Field Device 7400v2.08.21.2018
Post Oak AWAM Bluetooth Field Device 7800SD.2015.1.16
Post Oak AWAM Bluetooth Field Device 2011.3
Post Oak AWAM Bluetooth Field Device 7400v2.02.01.2019
Post Oak AWAM Bluetooth Field Device 7800SD.2012.12.5

Exploitation Mechanism

The vulnerability is exploited by inserting shell metacharacters in the htmlNtpServer parameter of the timeconfig.py file, allowing unauthorized execution of commands.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to the affected devices if not required
Implement network segmentation to limit exposure
Monitor and analyze network traffic for any suspicious activities

Long-Term Security Practices

Regularly update and patch the firmware of the Post Oak AWAM Bluetooth Field Device
Conduct security assessments and penetration testing to identify and address vulnerabilities

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerability in the Post Oak AWAM Bluetooth Field Device.