CVE-2019-13923 : Security Advisory and Response

An issue has been discovered in the IE/WSN-PA Link WirelessHART Gateway (All versions) that could potentially lead to Cross-Site Scripting (XSS) attacks. This vulnerability arises when the configured web server of the device is accessed through a malicious link, tricking unaware users into visiting it. To successfully exploit the issue, user involvement is necessary, as they must be logged into the web interface. Currently, there are no known instances of public exploitation as of the release of this security advisory.

Understanding CVE-2019-13923

This CVE identifies a vulnerability in the IE/WSN-PA Link WirelessHART Gateway that could be exploited for XSS attacks.

What is CVE-2019-13923?

CVE-2019-13923 is a vulnerability in the IE/WSN-PA Link WirelessHART Gateway that allows for Cross-Site Scripting (XSS) attacks when users interact with a malicious link.

The Impact of CVE-2019-13923

The vulnerability could lead to XSS attacks, potentially compromising the security and integrity of the affected device and its users.

Technical Details of CVE-2019-13923

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in the IE/WSN-PA Link WirelessHART Gateway allows for XSS attacks when users are tricked into accessing a malicious link.

Affected Systems and Versions

Product: IE/WSN-PA Link WirelessHART Gateway
Vendor: Siemens AG
Versions: All versions

Exploitation Mechanism

The vulnerability is exploited by tricking users into accessing a malicious link that targets the device's web server.
Successful exploitation requires user interaction and login to the web interface.

Mitigation and Prevention

Protecting systems from CVE-2019-13923 requires immediate action and long-term security practices.

Immediate Steps to Take

Ensure users are cautious when clicking on links, especially those received from untrusted sources.
Regularly monitor and update the device's firmware to patch known vulnerabilities.

Long-Term Security Practices

Educate users on safe browsing practices and the risks of clicking on unknown links.
Implement network security measures to detect and prevent XSS attacks.

Patching and Updates

Stay informed about security advisories and updates from Siemens AG to apply patches promptly.