CVE-2019-5137 : Vulnerability Insights and Analysis

This CVE-2019-5137 article provides insights into a vulnerability in Moxa AWK-3131A Firmware version 1.13, allowing decryption of network traffic due to hard-coded cryptographic keys.

Understanding CVE-2019-5137

This section delves into the details of the CVE-2019-5137 vulnerability.

What is CVE-2019-5137?

The CVE-2019-5137 vulnerability involves the presence of hard-coded cryptographic keys in the ServiceAgent binary of Moxa AWK-3131A Firmware version 1.13, enabling the decryption of captured network traffic.

The Impact of CVE-2019-5137

The impact of this vulnerability is significant, with a CVSS base score of 7.5 (High severity) due to its potential for high confidentiality impact.

Technical Details of CVE-2019-5137

Exploring the technical aspects of CVE-2019-5137.

Vulnerability Description

The vulnerability arises from hard-coded cryptographic keys in the ServiceAgent binary, facilitating the decryption of network traffic to and from Moxa AWK-3131A Firmware version 1.13.

Affected Systems and Versions

Product: Moxa
Version: Moxa AWK-3131A Firmware version 1.13

Exploitation Mechanism

The presence of hard-coded cryptographic keys allows threat actors to decrypt captured network traffic, compromising data confidentiality.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE-2019-5137 vulnerability.

Immediate Steps to Take

Disable remote access to affected devices if possible.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware to patch known vulnerabilities.
Conduct security audits to identify and address potential weaknesses.

Patching and Updates

Ensure timely installation of security patches and updates to eliminate the presence of hard-coded cryptographic keys and enhance network security.