CVE-2018-16555 : What You Need to Know

A security flaw has been discovered in SCALANCE S602, SCALANCE S612, SCALANCE S623, and SCALANCE S627-2M by Siemens AG, allowing potential Cross-Site Scripting (XSS) attacks.

Understanding CVE-2018-16555

What is CVE-2018-16555?

CVE-2018-16555 is a vulnerability found in SCALANCE industrial switches manufactured by Siemens AG, enabling attackers to exploit the integrated web server using XSS techniques.

The Impact of CVE-2018-16555

The vulnerability could lead to successful XSS attacks if users interact with malicious links while logged into the web interface, potentially compromising system security.

Technical Details of CVE-2018-16555

Vulnerability Description

The flaw in SCALANCE S602, S612, S623, and S627-2M allows attackers to execute XSS attacks through the integrated web server.

Affected Systems and Versions

SCALANCE S602: All versions prior to V4.0.1.1
SCALANCE S612: All versions prior to V4.0.1.1
SCALANCE S623: All versions prior to V4.0.1.1
SCALANCE S627-2M: All versions prior to V4.0.1.1

Exploitation Mechanism

Attackers exploit the XSS vulnerability by tricking users into interacting with malicious links while logged into the web interface.

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to version V4.0.1.1 or later to mitigate the vulnerability.
Educate users on the risks of interacting with unknown or suspicious links.

Long-Term Security Practices

Regularly monitor and update security patches on SCALANCE devices.

Patching and Updates

Siemens has released patches to address the vulnerability. Ensure timely installation of updates to enhance system security.