CVE-2017-6873 : Security Advisory and Response

Siemens OZW672 and OZW772 have a security vulnerability that allows attackers to intercept and view data during TLS sessions.

Understanding CVE-2017-6873

Siemens devices OZW672 and OZW772 are susceptible to a man-in-the-middle attack on port 443/tcp, enabling unauthorized data access.

What is CVE-2017-6873?

The vulnerability in Siemens OZW672 and OZW772 permits attackers to manipulate and access data within TLS sessions through a man-in-the-middle attack.

The Impact of CVE-2017-6873

This flaw exposes sensitive data to potential interception, compromising the confidentiality and integrity of communications.

Technical Details of CVE-2017-6873

Siemens OZW672 and OZW772 are affected by a security vulnerability that allows unauthorized data access.

Vulnerability Description

The flaw enables attackers to interfere with and view data within TLS sessions, exploiting the integrated web server on port 443/tcp.

Affected Systems and Versions

Affected Products: OZW672, OZW772
Vulnerable Versions: All versions of OZW672 and OZW772

Exploitation Mechanism

Attack Vector: Man-in-the-middle (MITM) on port 443/tcp

Mitigation and Prevention

Steps to address and prevent the CVE-2017-6873 vulnerability.

Immediate Steps to Take

Implement network segmentation to limit exposure
Monitor network traffic for suspicious activities
Apply encryption to protect data in transit

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security assessments and penetration testing

Patching and Updates

Refer to Siemens security advisory SSA-563539 for specific patching instructions