CVE-2021-32982 : Vulnerability Insights and Analysis

Automation Direct CLICK PLC CPU Modules are susceptible to a vulnerability where passwords are transmitted in plaintext when unlocking and transferring projects. This allows an attacker with network visibility to intercept sensitive information.

Understanding CVE-2021-32982

This CVE identifies a security issue in Automation Direct CLICK PLC CPU Modules that can potentially compromise the confidentiality of sensitive information.

What is CVE-2021-32982?

The vulnerability in Automation Direct CLICK PLC CPU Modules allows passwords to be sent as plaintext during unlocking and project transfers, making it possible for a malicious actor to eavesdrop on the password exchange.

The Impact of CVE-2021-32982

With a CVSS base score of 7.5, this vulnerability poses a high risk to confidentiality, as an attacker could exploit it to obtain sensitive information transmitted over the network.

Technical Details of CVE-2021-32982

This section provides detailed technical information about the vulnerability, the affected systems, and how it can be exploited.

Vulnerability Description

Passwords in Automation Direct CLICK PLC CPU Modules are sent as plaintext during unlocking and project transfers, exposing sensitive information to attackers on the network.

Affected Systems and Versions

The vulnerability affects CLICK PLC CPU Modules with firmware versions prior to v3.00, specifically C0-1x CPUs.

Exploitation Mechanism

Attackers who have network visibility can intercept the plaintext passwords exchanged during unlocking and project transfers, potentially leading to unauthorized access.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-32982, immediate steps should be taken to secure the affected systems and prevent unauthorized access.

Immediate Steps to Take

Users are advised to update their software and firmware to Version 3.00, as recommended by Automation Direct. Additionally, following the security guidelines provided by the vendor is crucial to enhancing system security.

Long-Term Security Practices

Implementing strong encryption mechanisms for sensitive data and regularly updating firmware and software can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying patches and updates released by Automation Direct is essential to ensure the security of CLICK PLC CPU Modules and protect them from potential threats.