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Fencer Intel
medium 6.1

CVE-2017-16723 json

A Cross-site Scripting issue was discovered in PHOENIX CONTACT FL COMSERVER BASIC 232/422/485, FL COMSERVER UNI 232/422/485, FL COMSERVER B…

published 2017-12-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7907

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-341-03 updated cvss 8.2

PHOENIX CONTACT FL COMSERVER, FL COM SERVER, and PSI-MODEM/ETH

  • PHOENIX CONTACT, Innominate Security Technologies FL COM SERVER RS232 < 1.99, 2.20, 2.40 PHOENIX CONTACT, Innominate Security Technologies FL COM SERVER RS485 < 1.99, 2.20, 2.40 PHOENIX CONTACT, Innominate Security Technologies FL COMSERVER BAS 232/422/485-T < 1.99, 2.20, 2.40 PHOENIX CONTACT, Innominate Security Technologies FL COMSERVER BASIC 232/422/485 < 1.99, 2.20, 2.40 PHOENIX CONTACT, Innominate Security Technologies FL COMSERVER UNI 232/422/485 < 1.99, 2.20, 2.40 PHOENIX CONTACT, Innominate Security Technologies FL COMSERVER UNI 232/422/485-T < 1.99, 2.20, 2.40
    +1 more products
    PHOENIX CONTACT, Innominate Security Technologies PSI-MODEM/ETH < 1.99, 2.20, 2.40
    affected: mitigation “PHOENIX CONTACT has released new firmware versions for the affected devices. The latest download links can be found at:” cert.vde.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a PHOENIX CONTACT FL COMSERVER, FL COM SERVER, and PSI-MODEM/ETH

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.