CVE-2023-2310 : What You Need to Know

This CVE-2023-2310 pertains to a vulnerability named "Channel Accessible by Non-Endpoint" in the Schweitzer Engineering Laboratories SEL Real-Time Automation Controller (RTAC) that could potentially lead to a denial-of-service attack. The vulnerability was published on May 10, 2023.

Understanding CVE-2023-2310

This section will delve into the details of CVE-2023-2310, including its description, impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-2310?

The vulnerability "Channel Accessible by Non-Endpoint" in the SEL RTAC device allows a remote attacker to conduct a man-in-the-middle attack, potentially resulting in a denial-of-service situation. The vulnerability could be exploited by an attacker with network access to the affected system.

The Impact of CVE-2023-2310

The impact of CVE-2023-2310 is categorized under CAPEC-469, leading to a denial-of-service (DoS) condition. This type of attack could disrupt the availability of the affected system, potentially causing operational downtime.

Technical Details of CVE-2023-2310

This section will provide a detailed overview of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows a remote attacker to exploit the SEL RTAC device through a man-in-the-middle attack, leading to a denial-of-service scenario. This attack can disrupt the normal operation of the affected system.

Affected Systems and Versions

The following SEL products are impacted by CVE-2023-2310: SEL-3505, SEL-3505-3, SEL-3530, SEL-3530-4, SEL-3532, SEL-3555, SEL-3560S, SEL-3560E, SEL-2241 RTAC module, and SEL-3350. The versions affected are stated for each product.

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker with network access to the targeted SEL RTAC device. By conducting a man-in-the-middle attack, the attacker can disrupt the normal communication flow, potentially leading to a denial of service.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-2310, it is crucial to take immediate steps, implement long-term security practices, and ensure timely patching and updates for the affected systems.

Immediate Steps to Take

Network segmentation to restrict unauthorized access
Monitor network traffic for any suspicious activity
Apply firewall rules to filter potentially malicious traffic

Long-Term Security Practices

Regular security assessments and audits
Employee training on cybersecurity best practices
Implementing multi-factor authentication for added security layers

Patching and Updates

Stay informed about security advisories from SEL
Apply patches and firmware updates provided by the vendor
Regularly update and maintain security configurations of the affected systems

By following these mitigation strategies, organizations can enhance their cybersecurity posture and reduce the risk posed by CVE-2023-2310.