CVE-2019-13931 Explained : Impact and Mitigation

A security flaw has been identified in Siemens AG's XHQ software, affecting all versions prior to V6.0.0.2. The vulnerability allows attackers to manipulate input through the web interface, potentially leading to unauthorized alterations of the application's content.

Understanding CVE-2019-13931

This CVE entry pertains to a security vulnerability in Siemens AG's XHQ software that could be exploited by authenticated attackers through the web interface.

What is CVE-2019-13931?

The vulnerability in XHQ (All versions < V6.0.0.2) enables attackers to manipulate input on the web interface, causing unexpected behavior that could allow them to modify the web application's content.

The Impact of CVE-2019-13931

Successful exploitation could result in unpredictable behavior of the application for legitimate users.
Attackers could potentially alter the contents of the web application.
No instances of public exploitation were reported at the time of the advisory publication.

Technical Details of CVE-2019-13931

Siemens AG's XHQ software vulnerability details.

Vulnerability Description

CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Attackers can manipulate input through the web interface, causing unexpected behavior.

Affected Systems and Versions

Product: XHQ
Vendor: Siemens AG
Versions affected: All versions < V6.0.0.2

Exploitation Mechanism

Attackers need authenticated access to the web interface to exploit the vulnerability.

Mitigation and Prevention

Steps to address and prevent CVE-2019-13931.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor for any unusual behavior in the application.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement strong authentication mechanisms for web interfaces.

Patching and Updates

Check Siemens AG's security advisory for patches and updates to address the vulnerability.