CVE-2023-29155 : What You Need to Know

A security vulnerability has been identified in INEA ME RTU firmware versions 3.36b and earlier. This vulnerability could allow an attacker to gain admin-level access to the device without requiring authentication.

Understanding CVE-2023-29155

This section will provide insight into the nature and impact of CVE-2023-29155.

What is CVE-2023-29155?

CVE-2023-29155 involves improper authentication in the INEA ME RTU firmware, specifically versions 3.36b and prior. Attackers can exploit this vulnerability to access the device's host system at an admin level without needing authentication.

The Impact of CVE-2023-29155

The impact of this vulnerability is critical, with a CVSSv3.1 base score of 9.8 out of 10, indicating a high severity level. The lack of authentication requirements to access the "root" account poses a significant risk to the security and integrity of the affected systems.

Technical Details of CVE-2023-29155

In this section, you will find detailed technical information about CVE-2023-29155.

Vulnerability Description

The vulnerability in INEA ME RTU firmware versions 3.36b and earlier allows unauthorized users to gain elevated privileges on the host system without authenticating, potentially leading to unauthorized system access and control.

Affected Systems and Versions

INEA ME RTU firmware versions 3.36b and prior are affected by this vulnerability. Users with these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely over the network, without the need for prior privileges or user interaction. The attack vector is known to be through a low-complexity approach.

Mitigation and Prevention

This section outlines steps to mitigate and prevent the exploitation of CVE-2023-29155.

Immediate Steps to Take

Users are strongly advised to upgrade their INEA ME RTU firmware to version 3.37 as recommended by INEA. This update addresses the authentication bypass issue and enhances system security.

Long-Term Security Practices

In addition to applying the firmware update, organizations should enforce proper access controls, implement network segmentation, and regularly monitor and audit system activities to enhance overall security posture.

Patching and Updates

Regularly check for security updates and patches provided by the vendor. Stay informed about the latest vulnerabilities and ensure timely application of patches to protect against potential threats.