CVE-2021-31562 : Vulnerability Insights and Analysis

In the context of the BSI project ManiMed, this CVE involves the Agilia Link+ product by Fresenius Kabi. The SSL/TLS configuration of version 3.0 presents serious vulnerabilities that could enable attackers to compromise security in multiple ways.

Understanding CVE-2021-31562

This section will provide detailed insights into the nature of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-31562?

The SSL/TLS configuration of Fresenius Kabi's Agilia Link+ version 3.0 has critical vulnerabilities that could allow attackers to eavesdrop on data, manipulate secured data, and impersonate entities to access sensitive information.

The Impact of CVE-2021-31562

The vulnerability impacts the confidentiality and integrity of data, potentially enabling attackers to compromise SSL/TLS sessions and gain unauthorized access to sensitive information.

Technical Details of CVE-2021-31562

The following section provides more technical information on the vulnerability.

Vulnerability Description

The SSL/TLS configuration of Agilia Link+ version 3.0 fails to provide adequate security measures, potentially leading to data eavesdropping, data manipulation, and unauthorized access.

Affected Systems and Versions

This vulnerability affects Agilia Link+ devices with a version less than 3.0.

Exploitation Mechanism

Attackers could exploit these vulnerabilities to compromise SSL/TLS sessions, gain unauthorized access, manipulate data, and eavesdrop on sensitive information.

Mitigation and Prevention

Here are the recommended mitigation strategies to address CVE-2021-31562.

Immediate Steps to Take

Users are advised to minimize network exposure, isolate control system devices behind firewalls, and use secure methods like VPNs for remote access.

Long-Term Security Practices

Implement regular security updates, conduct security assessments, and follow best practices for securing medical devices.

Patching and Updates

Fresenius Kabi has released new versions to address these vulnerabilities. Users are encouraged to update their systems to the latest versions and follow the recommendations provided by CISA.