CVE-2021-22703 : Security Advisory and Response

A CWE-319 vulnerability has been identified in PowerLogic ION series and PM800 devices, potentially leading to the disclosure of user credentials through cleartext transmission of sensitive information in network traffic interception.

Understanding CVE-2021-22703

This CVE relates to a cleartext transmission vulnerability impacting several PowerLogic devices, which could expose user credentials when intercepted by malicious actors.

What is CVE-2021-22703?

The CVE-2021-22703, categorized under CWE-319, involves the exposure of user credentials due to cleartext transmission of sensitive information in specific PowerLogic ION and PM800 devices.

The Impact of CVE-2021-22703

The vulnerability poses a significant risk as it allows threat actors to capture user credentials by intercepting HTTP network traffic, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2021-22703

CVE-2021-22703 involves the following technical aspects:

Vulnerability Description

The vulnerability stems from cleartext transmission of sensitive information in PowerLogic ION7400, ION7650, ION83xx/84xx/85xx/8600, ION8650, ION8800, ION9000, and PM800 devices, facilitating user credential disclosure.

Affected Systems and Versions

Devices using EcoStruxure Power Build - Rapsody software V2.1.13 and prior are impacted by this vulnerability.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by intercepting HTTP network traffic between users and the affected devices, enabling the capture of sensitive information.

Mitigation and Prevention

To address CVE-2021-22703, immediate steps and long-term security practices should be implemented:

Immediate Steps to Take

Organizations should ensure network traffic encryption to prevent data interception.
Regularly monitor network traffic for any suspicious activities.
Apply patches and updates provided by the vendor to mitigate the vulnerability.

Long-Term Security Practices

Implement secure communication protocols and encryption mechanisms.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Provide employee training on cybersecurity best practices to enhance overall security posture.

Patching and Updates

Organizations should promptly apply patches released by Schneider Electric to address the CVE-2021-22703 vulnerability.