CVE-2022-29963 : Security Advisory and Response

A detailed overview of CVE-2022-29963, a vulnerability in the Emerson DeltaV Distributed Control System controllers and IO cards.

Understanding CVE-2022-29963

This section provides insights into the nature of the vulnerability and its impact.

What is CVE-2022-29963?

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards misusing passwords through 2022-04-29. Access to a root shell via hardcoded credentials on TELNET port 18550 is possible, affecting S-series, P-series, and CIOC/EIOC nodes.

The Impact of CVE-2022-29963

The vulnerability allows unauthorized access to critical infrastructure, posing a significant security risk to affected systems.

Technical Details of CVE-2022-29963

Explore the specific technical aspects of CVE-2022-29963 and how it can be exploited.

Vulnerability Description

The issue lies in the misuse of passwords and hardcoded credentials, enabling unauthorized users to gain root access.

Affected Systems and Versions

S-series, P-series, and CIOC/EIOC nodes running Emerson DeltaV Distributed Control System controllers and IO cards are vulnerable.

Exploitation Mechanism

Unauthorized access can be achieved by exploiting the TELNET service on port 18550 with the use of hardcoded credentials.

Mitigation and Prevention

Learn about the steps to mitigate the risk posed by CVE-2022-29963 and prevent potential exploitation.

Immediate Steps to Take

Immediately disabling TELNET access and changing default passwords can help mitigate the vulnerability.

Long-Term Security Practices

Implementing network segmentation, strong access controls, and regular security audits can enhance long-term security.

Patching and Updates

Regularly applying security patches and updates from the vendor is crucial to address the vulnerability effectively.