CVE-2019-19293 : Security Advisory and Response

A security weakness has been discovered in Control Center Server (CCS) (All versions < V1.5.0) that poses a risk of reflected Cross-site Scripting (XSS) vulnerability.

Understanding CVE-2019-19293

This CVE identifies a vulnerability in Siemens' Control Center Server (CCS) that could allow unauthorized remote attackers to access sensitive information or perform administrative tasks.

What is CVE-2019-19293?

CVE-2019-19293 is a medium-severity vulnerability related to improper neutralization of input during web page generation (Cross-site Scripting) in CCS versions prior to V1.5.0.

The Impact of CVE-2019-19293

The vulnerability could enable attackers to exploit the web interface of CCS, potentially accessing sensitive data or executing unauthorized administrative actions.

Technical Details of CVE-2019-19293

Siemens' CCS vulnerability is detailed below:

Vulnerability Description

Type: Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
CWE ID: CWE-79

Affected Systems and Versions

Vendor: Siemens
Product: Control Center Server (CCS)
Affected Versions: All versions < V1.5.0

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Scope: Changed
Confidentiality: None
Integrity: High
Availability: None
Exploit Code Maturity: Proof-of-Concept
Remediation Level: Unavailable
Report Confidence: Confirmed

Mitigation and Prevention

Steps to address and prevent the vulnerability:

Immediate Steps to Take

Update CCS to version V1.5.0 or later to mitigate the XSS vulnerability.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network security measures to detect and block XSS attacks.

Patching and Updates

Apply security patches provided by Siemens promptly to address vulnerabilities.