CVE-2023-43775 : What You Need to Know

A detailed analysis of the CVE-2023-43775 vulnerability affecting the Eaton SMP Gateway automation platform.

Understanding CVE-2023-43775

Explore the impact, technical details, and mitigation strategies for the security issue in the SMP Gateway automation platform.

What is CVE-2023-43775?

The CVE-2023-43775 vulnerability is a denial-of-service flaw in the web server of the Eaton SMP Gateway. Attackers can exploit this issue to potentially trigger an unexpected restart of the automation platform, affecting product availability. In rare cases, the SMP device might restart in Safe Mode or Max Safe Mode, rendering it non-vulnerable.

The Impact of CVE-2023-43775

The vulnerability poses a medium-severity threat with a CVSS base score of 4.7. While the attack complexity is low, an attacker within the adjacent network can disrupt system availability without requiring any privileges. Confidentiality and integrity remain unaffected.

Technical Details of CVE-2023-43775

Gain insights into the vulnerability description, affected systems, and exploitation mechanisms related to CVE-2023-43775.

Vulnerability Description

The vulnerability enables attackers to initiate a denial-of-service attack on SMP Gateway web servers, leading to unexpected system restarts. The issue affects multiple versions of SMP Gateway products, increasing the potential attack surface.

Affected Systems and Versions

Multiple product versions of Eaton's SMP Gateway are impacted, including SMP SG-4260, SMP SG-4250, SMP 4/DP, and SMP 16. Version-specific details show vulnerabilities in versions 6.3, 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2, with specified custom versions.

Exploitation Mechanism

The vulnerability allows attackers to exploit the web server of the SMP Gateway, causing disruptions in system availability. By targeting specific product versions, attackers can destabilize the automation platform and force unexpected restarts.

Mitigation and Prevention

Learn about immediate steps, long-term security practices, and the importance of patching and updates in safeguarding against CVE-2023-43775.

Immediate Steps to Take

To mitigate the risk posed by CVE-2023-43775, organizations should implement network security measures, restrict access to vulnerable systems, and monitor for any suspicious activities targeting the SMP Gateway.

Long-Term Security Practices

Establishing robust security protocols, conducting regular vulnerability assessments, and ensuring timely software updates are essential for maintaining the integrity and availability of the automation platform.

Patching and Updates

Eaton may release security patches to address the CVE-2023-43775 vulnerability. Organizations are advised to promptly apply these patches, follow vendor recommendations, and stay informed about any further security advisories.