CVE-2017-16723 : Security Advisory and Response
Learn about CVE-2017-16723, a Cross-site Scripting (XSS) vulnerability in PHOENIX CONTACT FL COMSERVER, FL COM SERVER, and PSI-MODEM/ETH devices. Find out the impact, affected systems, and mitigation steps.
A security flaw known as Cross-site Scripting (XSS) has been found in various PHOENIX CONTACT FL COMSERVER models, FL COM SERVER, and PSI-MODEM/ETH devices. This vulnerability could potentially allow unauthorized parties to execute remote code.
Understanding CVE-2017-16723
This CVE involves a Cross-site Scripting (XSS) issue affecting specific PHOENIX CONTACT devices.
What is CVE-2017-16723?
Cross-site Scripting (XSS) vulnerability in PHOENIX CONTACT FL COMSERVER, FL COM SERVER, and PSI-MODEM/ETH devices could lead to remote code execution.
The Impact of CVE-2017-16723
The vulnerability could enable unauthorized parties to execute remote code on affected devices, potentially leading to security breaches and unauthorized access.
Technical Details of CVE-2017-16723
This section provides detailed technical information about the vulnerability.
Vulnerability Description
A Cross-site Scripting (XSS) issue has been identified in various PHOENIX CONTACT FL COMSERVER models and PSI-MODEM/ETH devices running specific firmware versions.
Affected Systems and Versions
- Affected products include PHOENIX CONTACT FL COMSERVER, FL COM SERVER, and PSI-MODEM/ETH.
- Vulnerable firmware versions are prior to 1.99, 2.20, or 2.40.
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to inject and execute remote code on the affected devices.
Mitigation and Prevention
Protecting systems from CVE-2017-16723 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update affected devices to firmware versions 1.99, 2.20, or 2.40 to mitigate the XSS vulnerability.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor and update firmware to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
- Stay informed about security advisories and patches released by PHOENIX CONTACT.
- Apply security patches promptly to ensure protection against known vulnerabilities.