CVE-2022-46355 : What You Need to Know

A vulnerability has been identified in SCALANCE X204RNA and SCALANCE X204RNA EEC devices, allowing an unauthorized actor to access sensitive information through leaked data in the HTTP Referer header.

Understanding CVE-2022-46355

This section will delve into the specifics of CVE-2022-46355.

What is CVE-2022-46355?

CVE-2022-46355 is a security vulnerability affecting SCALANCE X204RNA and SCALANCE X204RNA EEC devices, potentially leading to exposure of sensitive information to unauthorized actors.

The Impact of CVE-2022-46355

The impact of this vulnerability includes unauthorized access to sensitive information, posing a risk to the confidentiality of data transmitted by affected devices.

Technical Details of CVE-2022-46355

In this section, we will explore the technical aspects of CVE-2022-46355.

Vulnerability Description

The vulnerability in SCALANCE X204RNA and SCALANCE X204RNA EEC devices allows the leakage of sensitive data in the HTTP Referer header, enabling unauthorized actors to exploit this information.

Affected Systems and Versions

The affected products include SCALANCE X204RNA (HSR), SCALANCE X204RNA (PRP), SCALANCE X204RNA EEC (HSR), SCALANCE X204RNA EEC (PRP), and SCALANCE X204RNA EEC (PRP/HSR) with all versions prior to V3.2.7.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors leveraging the leaked sensitive data in the HTTP Referer header to gain unauthorized access to information.

Mitigation and Prevention

This section will cover the mitigation strategies and preventive measures for CVE-2022-46355.

Immediate Steps to Take

Immediately update the affected devices to version V3.2.7 or higher to mitigate the vulnerability and prevent unauthorized access to sensitive information.

Long-Term Security Practices

Implement network segmentation, access controls, and regular security updates to enhance the overall security posture and reduce the risk of similar vulnerabilities.

Patching and Updates

Regularly monitor security advisories from Siemens and apply patches and updates promptly to address known vulnerabilities and enhance device security.