Learn about CVE-2022-3027 affecting Contec Health CMS8000. This vulnerability allows threat actors to exploit SSID names, potentially compromising device security. Find mitigation steps and impact details.
This article provides detailed information about CVE-2022-3027, a vulnerability affecting the Contec Health CMS8000 device that could allow threat actors to exploit the device through malicious SSID names.
Understanding CVE-2022-3027
CVE-2022-3027 is a vulnerability in the Contec Health CMS8000 device related to improper control or sanitization of the SSID name of a new Wi-Fi access point. Threat actors could exploit this vulnerability to write arbitrary files or display incorrect information on the affected device.
What is CVE-2022-3027?
The CMS8000 device by Contec Health fails to adequately control or sanitize the SSID name of a new Wi-Fi access point. This could lead to the device being exploited by creating an SSID with a malicious name, potentially resulting in unauthorized file writing or displaying inaccurate information.
The Impact of CVE-2022-3027
The vulnerability poses a medium severity risk with a CVSS base score of 5.7. Although it does not impact confidentiality or integrity, it could have a high availability impact on the affected systems.
Technical Details of CVE-2022-3027
Vulnerability Description
The vulnerability stems from the device's inability to properly handle the SSID name of a new Wi-Fi access point, allowing threat actors to create malicious SSIDs and exploit the device.
Affected Systems and Versions
The vulnerability affects all versions of the CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor by Contec Health.
Exploitation Mechanism
Threat actors can exploit the vulnerability by creating an SSID with a malicious name, including non-standard characters, to trick the device into connecting to the malicious network and execute unauthorized actions.
Mitigation and Prevention
Immediate Steps to Take
Contec Health has not yet collaborated to mitigate these vulnerabilities. Users are advised to contact the vendor for additional information. Mitigations include disabling UART functionality, enforcing unique device authentication, and implementing secure boot practices.
Long-Term Security Practices
In the long term, users should regularly update the device's firmware and implement security best practices to prevent potential exploitation of vulnerabilities.
Patching and Updates
It is crucial for users to stay informed about security updates provided by Contec Health for the affected products to address this vulnerability effectively.