CVE-2022-30244 : Exploit Details and Defense Strategies

Honeywell Alerton Ascent Control Module (ACM) through 2022-05-04 allows unauthenticated programming writes from remote users, potentially enabling unauthorized code execution and altering controller functions.

Understanding CVE-2022-30244

This CVE affects the Honeywell Alerton Ascent Control Module (ACM) through a specific date and exposes a vulnerability that allows remote users to make programming changes without authentication.

What is CVE-2022-30244?

The vulnerability in Honeywell Alerton Ascent Control Module (ACM) through 2022-05-04 allows unauthenticated remote users to write and execute code on the controller, potentially leading to unauthorized program alterations.

The Impact of CVE-2022-30244

A malicious actor can exploit this vulnerability by sending a crafted packet to modify or stop the program without detection. This unauthorized program alteration can disrupt the controller's function and requires overwriting to restore operational integrity.

Technical Details of CVE-2022-30244

Vulnerability Description

The flaw in Honeywell Alerton Ascent Control Module (ACM) enables unauthenticated remote programming writes, providing an avenue for unauthorized code execution.

Affected Systems and Versions

All versions of Honeywell Alerton Ascent Control Module (ACM) through 2022-05-04 are impacted by this vulnerability.

Exploitation Mechanism

Remote users can exploit this vulnerability by sending specially crafted packets to the controller, allowing them to change or halt the program without detection.

Mitigation and Prevention

To address CVE-2022-30244, immediate steps must be taken to mitigate the risk and prevent unauthorized access to the controller.

Immediate Steps to Take

It is crucial to apply security patches provided by Honeywell to address this vulnerability promptly. Additionally, implementing network segmentation and access controls can help limit the exposure of the controller to unauthorized users.

Long-Term Security Practices

Regular security audits and assessments can help identify vulnerabilities proactively. Training users on secure programming practices and ensuring timely updates and patches are essential for maintaining a secure environment.

Patching and Updates

Stay informed about security updates and patches released by Honeywell for the Alerton Ascent Control Module (ACM) to ensure the system is protected against known vulnerabilities.