CVE-2023-2673

Published: Jun 13, 2023Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitability: 3.9 / Impact: 1.4

Source: NVD (Secondary)

Description

Improper Input Validation vulnerability in PHOENIX CONTACT FL/TC MGUARD Family in multiple versions may allow UDP packets to bypass the filter rules and access the solely connected device behind the MGUARD which can be used for flooding attacks.

Affected (26)

Phoenixcontact

26 products

Fl Mguard 2102 Firmware

Fl Mguard 4102 Pci Firmware

Fl Mguard 4102 Pcie Firmware

Fl Mguard 4302 Firmware

Fl Mguard Centerport Firmware

Fl Mguard Centerport Vpn 1000 Firmware

Fl Mguard Core Tx Firmware

Fl Mguard Core Tx Vpn Firmware

Fl Mguard Delta Tx/tx Firmware

Fl Mguard Delta Tx/tx Vpn Firmware

Fl Mguard Gt/gt Firmware

Fl Mguard Gt/gt Vpn Firmware

Fl Mguard Pci4000 Firmware

Fl Mguard Pci4000 Vpn Firmware

Fl Mguard Pcie4000 Firmware

Fl Mguard Pcie4000 Vpn Firmware

Fl Mguard Rs2000 Tx/tx B Firmware

Fl Mguard Rs2000 Tx/tx Vpn Firmware

Fl Mguard Rs2005 Tx Vpn Firmware

Fl Mguard Rs4000 Tx/tx M Firmware

Fl Mguard Rs4000 Tx/tx P Firmware

Fl Mguard Rs4000 Tx/tx Vpn Firmware

Fl Mguard Rs4004 Tx/dtx Firmware

Fl Mguard Rs4004 Tx/dtx Vpn Firmware

Fl Mguard Smart2 Firmware

Fl Mguard Smart2 Vpn Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard 2102 Firmware	Up to 10.1.1

Running on/with	Platform Versions
Phoenixcontact Fl Mguard 2102	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard 4102 Pci Firmware	Up to 10.1.1

Running on/with	Platform Versions
Phoenixcontact Fl Mguard 4102 Pci	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard 4102 Pcie Firmware	Up to 10.1.1

Running on/with	Platform Versions
Phoenixcontact Fl Mguard 4102 Pcie	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard 4302 Firmware	Up to 10.1.1

Running on/with	Platform Versions
Phoenixcontact Fl Mguard 4302	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Centerport Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Centerport	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Centerport Vpn 1000 Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Centerport Vpn 1000	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Core Tx Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Core Tx	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Core Tx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Core Tx Vpn	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Delta Tx/tx Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Delta Tx/tx	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Delta Tx/tx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Delta Tx/tx Vpn	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Gt/gt Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Gt/gt	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Gt/gt Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Gt/gt Vpn	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Pci4000 Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Pci4000	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Pci4000 Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Pci4000 Vpn	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Pcie4000 Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Pcie4000	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Pcie4000 Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Pcie4000 Vpn	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs2000 Tx/tx B Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs2000 Tx/tx B	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs2000 Tx/tx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs2000 Tx/tx Vpn	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs2005 Tx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs2005 Tx Vpn	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx M Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx M	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx P Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx P	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs4000 Tx/tx Vpn	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs4004 Tx/dtx Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs4004 Tx/dtx	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Rs4004 Tx/dtx Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Rs4004 Tx/dtx Vpn	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Smart2 Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Smart2	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Phoenixcontact Fl Mguard Smart2 Vpn Firmware	Up to 8.9.0

Running on/with	Platform Versions
Phoenixcontact Fl Mguard Smart2 Vpn	All versions

Related CWEs

CWE-1287

Improper Validation of Specified Type of Input

The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

References (2)

https://cert.vde.com/en/advisories/VDE-2023-010/

Source: info@cert.vde.com

MitigationThird Party Advisory

https://cert.vde.com/en/advisories/VDE-2023-010/

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationThird Party Advisory

Timeline

No history available yet.