CVE-2017-16723
6.1 · MEDIUMOverview
CVE-2017-16723 is a medium-severity vulnerability affecting phoenixcontact fl_comserver_basic_232_firmware. It was published on December 11, 2017 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A Cross-site Scripting issue was discovered in PHOENIX CONTACT FL COMSERVER BASIC 232/422/485, FL COMSERVER UNI 232/422/485, FL COMSERVER BAS 232/422/485-T, FL COMSERVER UNI 232/422/485-T, FL COM SERVER RS232, FL COM SERVER RS485, and PSI-MODEM/ETH (running firmware versions prior to 1.99, 2.20, or 2.40). The cross-site scripting vulnerability has been identified, which may allow remote code execution.
Remediation
Check the references section for vendor advisories and patches from phoenixcontact. Update fl_comserver_basic_232_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2017-16723?
CVE-2017-16723 is a medium-severity vulnerability affecting phoenixcontact fl_comserver_basic_232_firmware. It was published on December 11, 2017 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
How severe is CVE-2017-16723?
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-16723?
Check the references section for vendor advisories and patches from phoenixcontact. Update fl_comserver_basic_232_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-16723?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-16723 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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