CVE-2023-31159 : Exploit Details and Defense Strategies

This article provides details about CVE-2023-31159, which involves an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability affecting Schweitzer Engineering Laboratories products.

Understanding CVE-2023-31159

This section explains the impact, technical details, and mitigation strategies related to CVE-2023-31159.

What is CVE-2023-31159?

CVE-2023-31159 is a vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface, allowing a remote authenticated attacker to inject and execute arbitrary script code.

The Impact of CVE-2023-31159

The impact involves a CAPEC-242 Code Injection threat scenario, posing a medium risk with a CVSS v3.1 base score of 4.3.

Technical Details of CVE-2023-31159

This section provides specific technical details of the vulnerability.

Vulnerability Description

The vulnerability arises from an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in the SEL RTAC Web Interface.

Affected Systems and Versions

The vulnerability affects several SEL products, including SEL-3505, SEL-3530, SEL-3555, and more, with specific affected version details.

Exploitation Mechanism

The vulnerability can be exploited by a remote authenticated attacker to inject and execute arbitrary script code via the Web management interface.

Mitigation and Prevention

This section outlines steps to mitigate the CVE-2023-31159 vulnerability.

Immediate Steps to Take

Immediate actions include applying patches, monitoring SEL security notifications, and restricting access to vulnerable interfaces.

Long-Term Security Practices

To enhance security, enforce secure coding practices, conduct regular security assessments, and educate users on safe web browsing habits.

Patching and Updates

Regularly check for security updates from Schweitzer Engineering Laboratories and apply patches promptly to address known vulnerabilities.