CVE-2014-5403 in MedNet
Summary
by MITRE
Hospira MedNet before 6.1 uses hardcoded cryptographic keys for protection of data transmission from infusion pumps, which allows remote attackers to obtain sensitive information by sniffing the network.
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Analysis
by VulDB Data Team • 11/03/2025
The vulnerability identified as CVE-2014-5403 affects Hospira MedNet systems prior to version 6.1, specifically targeting the security mechanisms employed in data transmission from infusion pumps. This represents a critical weakness in medical device cybersecurity where the system relies on hardcoded cryptographic keys rather than dynamically generated or securely managed encryption parameters. The flaw fundamentally undermines the confidentiality protections that should safeguard sensitive patient data and treatment information during network communication between medical devices and monitoring systems.
The technical implementation of this vulnerability stems from the use of static cryptographic keys embedded within the software code or configuration files of the MedNet system. These hardcoded keys serve as the foundation for encrypting data transmitted from infusion pumps to central monitoring stations, creating a single point of failure that malicious actors can exploit. When network traffic is intercepted through passive sniffing techniques, attackers can readily extract the hardcoded keys and subsequently decrypt sensitive information flowing through the network. This approach directly violates fundamental security principles and represents a classic example of weak cryptographic key management practices that have been widely documented as dangerous vulnerabilities in cybersecurity frameworks.
The operational impact of this vulnerability extends beyond simple data exposure to potentially compromise patient safety and healthcare delivery. Infusion pumps transmit critical medical data including dosage information, patient identifiers, and treatment protocols that, when compromised, could enable attackers to manipulate treatment regimens or access confidential patient records. The remote nature of the attack means that unauthorized individuals need only intercept network traffic to gain access to encrypted communications, making this vulnerability particularly dangerous in healthcare environments where network monitoring may be insufficient. This weakness creates opportunities for data breaches that could violate healthcare privacy regulations including hipaa and other regulatory compliance requirements.
From a cybersecurity perspective, this vulnerability aligns with several established threat patterns and frameworks including CWE-327, which addresses the use of weak cryptography, and represents a clear violation of the principle of least privilege and secure key management practices. The ATT&CK framework would categorize this under initial access and credential access phases where adversaries exploit hardcoded credentials or keys to gain unauthorized access to systems. Organizations implementing medical device networks should recognize that this vulnerability represents a fundamental flaw in the security architecture that requires immediate remediation. The remediation strategy must include replacing hardcoded keys with properly managed cryptographic materials, implementing secure key rotation mechanisms, and ensuring that all network communications utilize strong encryption protocols. Additionally, healthcare organizations should conduct comprehensive security assessments of their medical device ecosystems to identify similar hardcoded credential vulnerabilities and implement network segmentation to limit the potential impact of such attacks.