CVE-2017-12123 : Security Advisory and Response

This CVE-2017-12123 article provides insights into a vulnerability affecting Moxa EDR-810 V4.1 build 17030317, discovered by Talos, with a CVSS base score of 5.7.

Understanding CVE-2017-12123

This CVE involves a security flaw in the web server and telnet functionality of Moxa EDR-810 V4.1 build 17030317, potentially leading to unauthorized access due to clear text password transmission.

What is CVE-2017-12123?

The vulnerability in Moxa EDR-810 V4.1 build 17030317 allows attackers to intercept network traffic, retrieve admin passwords transmitted in clear text, and gain unauthorized system access.

The Impact of CVE-2017-12123

The vulnerability's medium severity (CVSS base score 5.7) poses a high risk to confidentiality, enabling attackers to obtain sensitive information and compromise system security.

Technical Details of CVE-2017-12123

This section delves into the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw in Moxa EDR-810 V4.1 build 17030317's web server and telnet functionality allows for clear text transmission of passwords, facilitating unauthorized access to the system.

Affected Systems and Versions

Product: Moxa
Vendor: Talos
Version: Moxa EDR-810 V4.1 build 17030317

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: None
Availability Impact: None

Mitigation and Prevention

Protect your systems from CVE-2017-12123 by following these mitigation strategies:

Immediate Steps to Take

Implement network encryption to secure transmitted data.
Change default passwords and use strong, encrypted credentials.
Monitor network traffic for suspicious activities.

Long-Term Security Practices

Regularly update system software and firmware to patch vulnerabilities.
Conduct security audits and penetration testing to identify weaknesses.

Patching and Updates

Apply security patches provided by Moxa and Talos to address the vulnerability and enhance system security.