CVE-2017-16723

Name: CVE-2017-16723
Creator: NVD / NIST
Published: 2017-12-11T16:29:00.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.21%

Last modified Jun 17, 2026

CVE-2017-16723 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.21% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.21%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Phoenixcontact	Fl Comserver Basic 232 Firmware	2.40
Phoenixcontact	Fl Comserver Uni 422 Firmware	2.40
Phoenixcontact	Fl Comserver Bas 485-T Firmware	2.40
Phoenixcontact	Fl Com Server Rs232 Firmware	1.99
Phoenixcontact	Fl Com Server Rs485 Firmware	1.99
Phoenixcontact	Psi-Modem\/Eth Firmware	2.20
Phoenixcontact	Fl Comserver Basic 422 Firmware	2.40
Phoenixcontact	Fl Comserver Basic 485 Firmware	2.40
Phoenixcontact	Fl Comserver Uni 485-T Firmware	2.40
Phoenixcontact	Fl Comserver Uni 485 Firmware	2.40
Phoenixcontact	Fl Comserver Uni 232 Firmware	2.40
Phoenixcontact	Fl Comserver Bas 422 Firmware	2.40
Phoenixcontact	Fl Comserver Bas 232 Firmware	2.40

References

http://www.securityfocus.com/bid/102111Third Party Advisory, VDB Entry
https://cert.vde.com/de-de/advisories/vde-2017-004Issue Tracking, Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-17-341-03Issue Tracking, Mitigation, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/102111Third Party Advisory, VDB Entry
https://cert.vde.com/de-de/advisories/vde-2017-004Issue Tracking, Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-17-341-03Issue Tracking, Mitigation, Third Party Advisory, US Government Resource

Timeline

Published: Dec 11, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16723?

How severe is CVE-2017-16723?

Severity scoring for CVE-2017-16723 is pending analysis. The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16723?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-16723?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST