medium
6.1
CWE
79
Advisory Published
Updated

CVE-2017-16723: XSS

First published: Mon Dec 11 2017(Updated: )

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.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
PhoenixContact FL COMserver BASIC 232=2.40
Phoenixcontact FL Comserver Basic 232 Firmware
Phoenix Contact FL COMSERVER Uni 422=2.40
Phoenix Contact FL COMSERVER Uni 422
Phoenixcontact Fl Comserver Bas 485-t Firmware=2.40
Phoenixcontact Fl Comserver Bas 485-t Firmware
Phoenix Contact FL Comserver=1.99
Phoenix Contact FL COM SERVER RS232
Phoenix Contact FL COM Server=1.99
Phoenixcontact Fl Com Server Rs485 Firmware
Phoenixcontact Psi-modem/eth Firmware=2.20
Phoenix Contact Psi-modem/eth
Phoenixcontact FL ComServer BAS 422=2.40
Phoenix Contact FL ComServer Basic 422
Phoenixcontact Fl Comserver Basic 485 Firmware=2.40
Phoenixcontact FL Comserver
Phoenix Contact FL Comserver Uni 485 Firmware=2.40
Phoenixcontact Fl Comserver Uni 485-t Firmware
Phoenix Contact FL Comserver Uni 485 Firmware=2.40
Phoenixcontact Fl Comserver Uni 485 Firmware
Phoenixcontact Fl Comserver Uni 232 Firmware=2.40
Phoenixcontact Fl Comserver Uni 232 Firmware
Phoenixcontact Fl Comserver Basic 422 Firmware=2.40
Phoenixcontact FL Comserver Basic 422 Firmware
Phoenixcontact FL Comserver Basic 232 Firmware=2.40
PhoenixContact FL COMserver BASIC 232

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-16723?

    CVE-2017-16723 is classified as a medium severity vulnerability due to its potential impact on the confidentiality and integrity of affected devices.

  • How do I fix CVE-2017-16723?

    To remediate CVE-2017-16723, update the devices to firmware versions 1.99 or 2.20 and above.

  • Which devices are affected by CVE-2017-16723?

    CVE-2017-16723 affects various Phoenix Contact FL Comserver models running firmware versions prior to 1.99, 2.20, or 2.40.

  • Is CVE-2017-16723 a Cross-site Scripting vulnerability?

    Yes, CVE-2017-16723 is categorized as a Cross-site Scripting (XSS) vulnerability.

  • What are the potential risks of CVE-2017-16723 if not resolved?

    If CVE-2017-16723 is not addressed, attackers may exploit the vulnerability to inject malicious scripts, which can lead to unauthorized access and data manipulation.

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