CVE-2017-16723

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-11 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

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

References

http://www.securityfocus.com/bid/102111
https://cert.vde.com/de-de/advisories/vde-2017-004
https://ics-cert.us-cert.gov/advisories/ICSA-17-341-03
http://www.securityfocus.com/bid/102111
https://cert.vde.com/de-de/advisories/vde-2017-004
https://ics-cert.us-cert.gov/advisories/ICSA-17-341-03

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