CVE-2019-10966 Explained : Impact and Mitigation

A vulnerability has been identified in GE Aestiva and Aespire versions 7100 and 7900 that could allow attackers to remotely alter device configurations and disable alarms.

Understanding CVE-2019-10966

This CVE involves improper authentication in GE Aestiva and Aespire versions 7100 and 7900, potentially leading to unauthorized remote access.

What is CVE-2019-10966?

This vulnerability arises when serial devices are connected to an unsecured terminal server, which is then linked to a TCP/IP network. Attackers could exploit this flaw to manipulate device settings and silence alarms remotely.

The Impact of CVE-2019-10966

The vulnerability could result in unauthorized access to critical medical devices, allowing attackers to disrupt device functionality and compromise patient safety.

Technical Details of CVE-2019-10966

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability in GE Aestiva and Aespire versions 7100 and 7900 stems from improper authentication, enabling attackers to tamper with device configurations and disable alarms remotely.

Affected Systems and Versions

Product: Aestiva and Aespire
Vendor: GE
Versions Affected: 7100, 7900

Exploitation Mechanism

Attackers exploit the vulnerability by connecting serial devices to an unsecured terminal server, which is then connected to a TCP/IP network, allowing remote manipulation of device configurations.

Mitigation and Prevention

Protecting systems from CVE-2019-10966 is crucial to prevent unauthorized access and ensure device integrity.

Immediate Steps to Take

Implement network segmentation to isolate critical devices from potentially compromised networks.
Regularly monitor and audit network connections to detect any unauthorized access attempts.
Apply strong authentication mechanisms to restrict access to sensitive devices.

Long-Term Security Practices

Conduct regular security training for staff to raise awareness of potential threats and best practices.
Keep systems up to date with the latest security patches and firmware updates to address known vulnerabilities.

Patching and Updates

GE may release patches or updates to address the vulnerability. Ensure timely installation of these patches to secure affected systems.