CVE-2022-2793 : Security Advisory and Response

Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulnerable to CWE-353 Missing Support for Integrity Check and lacks authentication or authorization of data packets after establishing a connection for the SRTP protocol.

Understanding CVE-2022-2793

This section provides insights into the details, impact, and mitigation strategies for CVE-2022-2793.

What is CVE-2022-2793?

CVE-2022-2793 highlights a vulnerability in Emerson Electric's Proficy Machine Edition software, allowing unauthorized individuals to manipulate data packets over the SRTP protocol without proper authentication or integrity checks.

The Impact of CVE-2022-2793

The vulnerability poses a medium-severity risk with a base score of 5.9, impacting the integrity of affected systems by enabling high availability impact without requiring privileges.

Technical Details of CVE-2022-2793

Explore the specific technical aspects of CVE-2022-2793 to better understand its implications.

Vulnerability Description

CVE-2022-2793 exposes systems running Proficy Machine Edition prior to version 9.00 to potential data manipulation due to missing integrity checks and lack of packet authorization after connection establishment for the SRTP protocol.

Affected Systems and Versions

The vulnerability affects all versions of Emerson Electric's Proficy Machine Edition up to and including version 9.00.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by establishing a connection to the SRTP protocol, allowing them to manipulate data packets without the necessary authentication or integrity verification.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2022-2793 and implement necessary security measures.

Immediate Steps to Take

Update Emerson Electric's Proficy Machine Edition to a patched version that addresses the vulnerability.
Implement network segregation and access controls to limit unauthorized access to critical systems.

Long-Term Security Practices

Regularly monitor network traffic for any suspicious or unauthorized activities.
Conduct security audits and assessments to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Emerson Electric to mitigate CVE-2022-2793 effectively.