CVE-2021-41835 : What You Need to Know

Fresenius Kabi Agilia Link + version 3.0 has a vulnerability related to the lack of transport layer encryption, potentially exposing data. Learn more about the impact, technical details, and mitigation steps below.

Understanding CVE-2021-41835

Fresenius Kabi Agilia Connect Infusion System uses a broken or risky cryptographic algorithm, leading to security concerns.

What is CVE-2021-41835?

This CVE relates to the failure of version 3.0 of the Agilia Link+ by Fresenius Kabi to enforce transport layer encryption, allowing data to be transmitted in cleartext, posing a risk to confidentiality.

The Impact of CVE-2021-41835

The vulnerability has a CVSS v3.1 base score of 7.3 (High Severity) with low impacts on confidentiality, integrity, and availability. Attack complexity is low, and no privileges are required for exploitation.

Technical Details of CVE-2021-41835

This section provides insight into the vulnerability and affected systems.

Vulnerability Description

The affected service does not automatically redirect unencrypted traffic from Port TCP/80 to encrypted Port TCP/443, exposing data to potential interception.

Affected Systems and Versions

Product: Agilia Link+
Vendor: Fresenius Kabi
Affected Version: < 3.0 (unspecified, custom)

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None

Mitigation and Prevention

Discover immediate actions and long-term security practices to safeguard against this vulnerability.

Immediate Steps to Take

Minimize network exposure for control system devices
Isolate control system networks behind firewalls
Use secure remote access methods like VPNs

Long-Term Security Practices

Regularly update systems and firmware
Conduct security assessments and audits

Patching and Updates

Fresenius Kabi has released new versions to address the vulnerability. Contact them for guidance on updating systems and hardware changes if required.