CVE-2021-22714 : Exploit Details and Defense Strategies

A CWE-119 vulnerability has been discovered in PowerLogic ION7400, PM8000, and ION9000 devices (all versions prior to V3.0.0) that could lead to the meter rebooting or remote code execution.

Understanding CVE-2021-22714

This CVE identifies a critical vulnerability in Schneider Electric's PowerLogic ION series meters, impacting versions older than V3.0.0.

What is CVE-2021-20657?

The CVE-2021-22714 is a CWE-119 vulnerability in PowerLogic ION7400, PM8000, and ION9000 devices. This flaw could allow an attacker to cause the meter to reboot or execute code remotely.

The Impact of CVE-2021-20657

This vulnerability poses a severe risk as it could lead to service interruptions or unauthorized code execution on affected devices, compromising the integrity and security of the power infrastructure.

Technical Details of CVE-2021-22714

The technical details of CVE-2021-22714 provide insights into the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability is classified as CWE-119, indicating improper restriction of operations within the bounds of a memory buffer, which can result in unauthorized actions on the affected devices.

Affected Systems and Versions

PowerLogic ION7400, PM8000, and ION9000 devices are impacted by this vulnerability in all versions released before V3.0.0.

Exploitation Mechanism

Exploiting this vulnerability could allow threat actors to trigger meter reboots or execute arbitrary code remotely, leading to potential service disruptions and unauthorized access.

Mitigation and Prevention

To address CVE-2021-22714, immediate steps must be taken to secure vulnerable systems and prevent potential exploits.

Immediate Steps to Take

It is recommended to update affected devices to version V3.0.0 or newer, provided by the vendor, to mitigate the vulnerability and enhance system security.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation, access controls, and regular security updates, can safeguard devices from future threats and ensure ongoing protection.

Patching and Updates

Regularly monitor for security advisories from Schneider Electric and apply firmware patches promptly to address known vulnerabilities and maintain the integrity of PowerLogic ION devices.