CVE-2021-30064 : Exploit Details and Defense Strategies

A vulnerability has been identified in Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 and Belden Tofino Xenon Security Appliance. The issue allows an SSH login to succeed using hardcoded default credentials when the device is in the uncommissioned state.

Understanding CVE-2021-30064

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-30064.

What is CVE-2021-30064?

The vulnerability in CVE-2021-30064 enables unauthorized SSH login with hardcoded default credentials on specific Schneider Electric and Belden devices in a certain operational state.

The Impact of CVE-2021-30064

The impact of this vulnerability is significant as it allows malicious actors to gain unauthorized access to affected devices, potentially compromising the security and integrity of the network.

Technical Details of CVE-2021-30064

This section covers the specific technical aspects of the vulnerability affecting the mentioned firewall and security appliance.

Vulnerability Description

The vulnerability in CVE-2021-30064 permits successful SSH authentication using hardcoded default credentials on impacted Schneider Electric and Belden devices under specific conditions.

Affected Systems and Versions

The affected systems include Schneider Electric ConneXium Tofino Firewall models TCSEFEA23F3F22 before version 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the hardcoded default credentials during an SSH login attempt on vulnerable devices operating in an uncommissioned state.

Mitigation and Prevention

It is crucial to implement immediate steps to address the CVE-2021-30064 vulnerability and establish long-term security practices to prevent such incidents in the future.

Immediate Steps to Take

To mitigate the risk associated with CVE-2021-30064, users should ensure that vulnerable devices are promptly updated to the latest firmware version provided by Schneider Electric and Belden.

Long-Term Security Practices

In the long term, organizations should follow cybersecurity best practices, including regular security assessments, network segmentation, and access control policies, to strengthen the overall security posture.

Patching and Updates

Regularly checking for security advisories from Schneider Electric and Belden and applying recommended patches and updates are essential to safeguard against known vulnerabilities like CVE-2021-30064.