CVE-2019-10926 Explained : Impact and Mitigation

A security flaw has been identified in the SIMATIC MV400 family (All Versions < V7.0.6) by Siemens, allowing attackers to intercept unencrypted data transmissions.

Understanding CVE-2019-10926

What is CVE-2019-10926?

This CVE identifies a vulnerability in the SIMATIC MV400 family where communication between the device and the user is unencrypted, enabling attackers with network access to intercept transmitted data.

The Impact of CVE-2019-10926

This vulnerability can be exploited by attackers in privileged network positions, compromising the confidentiality of transmitted data.

Technical Details of CVE-2019-10926

Vulnerability Description

The flaw allows attackers to eavesdrop on communication between the affected device and the user due to lack of encryption.

Affected Systems and Versions

Product: SIMATIC MV400 family
Vendor: Siemens
Versions affected: All Versions < V7.0.6

Exploitation Mechanism

Attackers with privileged network access can intercept unencrypted data transmissions.

Mitigation and Prevention

Immediate Steps to Take

Implement encryption protocols for data transmission.
Restrict network access to prevent unauthorized interception.

Long-Term Security Practices

Regularly update systems and apply security patches.
Conduct security audits to identify and address vulnerabilities.

Patching and Updates

Siemens may release patches or updates to address this vulnerability.