CVE-2019-13941 Explained : Impact and Mitigation

A weakness has been discovered in Siemens AG's OZW672 and OZW772 products, affecting all versions below V10.00. The vulnerability allows remote attackers to download project files without authentication, compromising system confidentiality.

Understanding CVE-2019-13941

This CVE identifies a security flaw in Siemens AG's OZW672 and OZW772 products, impacting versions below V10.00.

What is CVE-2019-13941?

The vulnerability in OZW Web Server allows unauthorized remote attackers to download project files without authentication, exploiting predictable path names.

The Impact of CVE-2019-13941

The security weakness enables attackers to compromise the confidentiality of the targeted system without user interaction.

Technical Details of CVE-2019-13941

Siemens AG's OZW672 and OZW772 products are affected by this vulnerability.

Vulnerability Description

The affected versions of OZW Web Server use predictable path names for project files, allowing remote attackers to download them without authentication.

Affected Systems and Versions

Product: OZW672
Vendor: Siemens AG
Versions: All versions < V10.00
Product: OZW772
Vendor: Siemens AG
Versions: All versions < V10.00

Exploitation Mechanism

Attackers exploit predictable path names for project files created by authenticated users through the export function.
By accessing a specific URL on the web server, remote attackers can download project files without authentication.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the CVE-2019-13941 vulnerability.

Immediate Steps to Take

Apply security patches provided by Siemens AG promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the affected systems.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Conduct security assessments and penetration testing.
Educate users on secure practices and awareness.

Patching and Updates

Siemens AG may release patches to address the vulnerability.
Stay informed about security advisories and updates from Siemens AG.