CVE-2019-6526 Explained : Impact and Mitigation

CVE-2019-6526 was published on February 26, 2019, by Moxa affecting IKS-G6824A series Versions 4.5 and earlier, EDS-405A series Version 3.8 and earlier, EDS-408A series Version 3.8 and earlier, and EDS-510A series Version 3.8 and earlier. The vulnerability involves transmitting sensitive data in plaintext, potentially allowing attackers to intercept critical information.

Understanding CVE-2019-6526

This CVE identifies a vulnerability in Moxa products that could lead to the exposure of sensitive data due to plaintext transmission.

What is CVE-2019-6526?

Versions 4.5 and earlier of the Moxa IKS-G6824A series, Version 3.8 and earlier of the EDS-405A series, EDS-408A series, and EDS-510A series have a flaw that enables the transmission of sensitive data without encryption, making it susceptible to interception.

The Impact of CVE-2019-6526

The vulnerability could allow malicious actors to capture crucial information like administrative passwords by eavesdropping on the plaintext data transmission.

Technical Details of CVE-2019-6526

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability involves the transmission of sensitive data without encryption, posing a risk of data interception.

Affected Systems and Versions

IKS-G6824A series Versions 4.5 and prior
EDS-405A series Version 3.8 and prior
EDS-408A series Version 3.8 and prior
EDS-510A series Version 3.8 and prior

Exploitation Mechanism

The flaw allows attackers to intercept plaintext data transmissions, potentially capturing sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2019-6526 is crucial to prevent data breaches and unauthorized access.

Immediate Steps to Take

Implement encryption mechanisms for sensitive data transmission.
Monitor network traffic for any suspicious activities.
Update to patched versions provided by Moxa.

Long-Term Security Practices

Regularly update and patch systems to address security vulnerabilities.
Conduct security audits to identify and mitigate potential risks.

Patching and Updates

Apply the latest firmware updates from Moxa to address the plaintext data transmission vulnerability.