CVE-2021-33882 in SpaceCom2
Summary
by MITRE • 08/25/2021
A Missing Authentication for Critical Function vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a remote attacker to reconfigure the device from an unknown source because of lack of authentication on proprietary networking commands.
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Analysis
by VulDB Data Team • 08/29/2021
The vulnerability identified as CVE-2021-33882 represents a critical missing authentication flaw in B. Braun SpaceCom2 medical device software versions prior to 012U000062. This vulnerability falls under the CWE-306 category of "Missing Authentication for Critical Function" which directly impacts the security posture of medical devices in healthcare environments. The affected device is a sophisticated medical communication system designed for critical care applications, making this authentication gap particularly concerning given the sensitive nature of healthcare data and patient safety requirements.
The technical flaw manifests through proprietary networking commands that lack proper authentication mechanisms, allowing remote attackers to reconfigure the device without any verification of identity or authorization. This absence of authentication creates an attack surface where malicious actors can potentially manipulate device settings, alter communication protocols, or redirect data flows. The vulnerability specifically affects the device's ability to validate incoming commands, meaning that any network traffic containing these proprietary commands can be processed without requiring legitimate credentials or access controls.
From an operational perspective, this vulnerability presents severe risks to healthcare organizations relying on B. Braun SpaceCom2 devices for critical medical communications. Remote exploitation could lead to unauthorized access to patient data, disruption of medical device operations, or even compromise of patient safety if device configurations are altered inappropriately. The impact extends beyond simple data confidentiality concerns as this vulnerability could potentially affect the integrity and availability of critical medical communications systems. Healthcare facilities must consider the potential for cascading failures if multiple devices in their network are compromised through this authentication bypass.
The security implications of this vulnerability align with ATT&CK techniques focusing on credential access and defense evasion, as attackers can leverage this weakness to establish persistent access to medical device networks. Organizations should implement immediate mitigations including firmware updates to version 012U000062 or later, network segmentation to isolate critical medical devices, and enhanced monitoring of network traffic for unusual command patterns. Additionally, healthcare providers should conduct thorough risk assessments of their medical device ecosystems and ensure proper network access controls are implemented to prevent unauthorized configuration changes. The vulnerability underscores the importance of robust authentication mechanisms in medical devices and highlights the need for continuous security updates in healthcare technology environments where patient safety and data integrity are paramount considerations.