high
8.1
CWE
74
Advisory Published
Updated

CVE-2024-43390: Phoenix Contact: Firewall reconfiguration due to improper input validation in MGUARD devices

First published: Tue Sep 10 2024(Updated: )

A low privileged remote attacker can perform configuration changes of the firewall services, including packet forwarding or NAT through the FW_NAT.IN_IP environment variable which can lead to a DoS.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
All of
Phoenix Contact TC Mguard RS4000 4G VZW VPN Firmware<8.9.3
Phoenix Contact TC Mguard RS4000 4G VZW VPN Firmware
All of
Phoenix Contact mGuard RS4000 4G VPN<8.9.3
Phoenix Contact mGuard RS4000 4G VPN
All of
Phoenix Contact TC Mguard RS4000 4G AT&T VPN<8.9.3
Phoenix Contact TC Mguard RS4000 4G AT&T VPN
All of
Phoenix Contact mGuard RS4000 3G VPN<8.9.3
Phoenix Contact TC Mguard RS4000 3G VPN
All of
Phoenixcontact Tc Mguard Rs2000 4g Vpn Firmware<8.9.3
Phoenix Contact TC Mguard RS2000 4G VZW VPN
All of
Phoenix Contact TC MGuard RS2000 4G AT&T VPN Firmware<8.9.3
Phoenixcontact Mguard Rs2000 4g Vpn
All of
Phoenix Contact TC MGuard RS2000 4G ATT VPN<8.9.3
Phoenix Contact TC MGuard RS2000 4G AT&T VPN Firmware
All of
Phoenixcontact Tc Mguard Rs2000 3g Vpn<8.9.3
Phoenixcontact Tc Mguard Rs2000 3g Vpn Firmware
All of
Phoenix Contact FL MGUARD SMART2 VPN Firmware<8.9.3
Phoenixcontact FL Mguard Smart2
All of
Phoenixcontact FL Mguard Smart2<8.9.3
Phoenixcontact FL Mguard Smart2
All of
Phoenix Contact FL MGuard RS4004 TX/DX VPN Firmware<8.9.3
Phoenix Contact FL MGuard RS4004 Tx/Dtx VPN
All of
Phoenixcontact Fl Mguard Rs4004 Tx/dtx Firmware<8.9.3
Phoenix Contact FL MGuard RS4004 Tx/Dtx
All of
Phoenixcontact FL Mguard RS4000 TX/TX VPN Firmware<8.9.3
Phoenixcontact FL Mguard RS4000 Tx/TX VPN
All of
Phoenixcontact Fl Mguard Rs4000 Tx/tx-p Firmware<8.9.3
Phoenix Contact FL MGUARD RS4000 TX/TX-P
All of
Phoenix Contact FL MGUARD RS4000 TX/TX-M Firmware<8.9.3
Phoenixcontact Fl Mguard Rs4000 Tx/tx-m
All of
Phoenixcontact Fl Mguard Rs4000 Tx/tx Firmware<8.9.3
Phoenix Contact FL MGuard RS4000 Tx/TX
All of
Phoenix Contact FL MGuard RS2005 TX VPN<8.9.3
Phoenix Contact FL MGuard RS2005 TX VPN
All of
Phoenix Contact FL MGUARD RS2000 TX/TX VPN Firmware<8.9.3
Phoenix Contact FL MGuard RS2000 TX/TX VPN
All of
Phoenixcontact Fl Mguard Rs2000 Tx/tx-b Firmware<8.9.3
Phoenixcontact FL Mguard RS2000 Tx/Tx-b
All of
Phoenix Contact FL Mguard PCIe4000 VPN Firmware<8.9.3
Phoenix Contact FL Mguard PCIe4000 VPN
All of
Phoenixcontact Fl Mguard Pcie4000 Firmware<8.9.3
Phoenix Contact FL MGuard PCIe 4000
All of
Phoenixcontact Mguard Pci4000 Vpn Firmware<8.9.3
Phoenix Contact mGuard PCI4000 VPN
All of
Phoenixcontact Fl Mguard Pcie4000 Firmware<8.9.3
Phoenixcontact FL MGuard PCI4000 VPN
All of
Phoenixcontact FL Mguard GT/GT VPN Firmware<8.9.3
Phoenix Contact FL MGuard GT/GT VPN
All of
Phoenixcontact Fl Mguard Gt/gt Firmware<8.9.3
Phoenix Contact FL MGuard GT/GT
All of
Phoenixcontact Fl Mguard Delta Tx/tx Vpn Firmware<8.9.3
Phoenixcontact FL Mguard Delta TX/TX VPN
All of
Phoenix Contact FL Mguard Delta TX/TX Firmware<8.9.3
Phoenix Contact FL Mguard Delta TX/TX
All of
Phoenix Contact FL MGuard Core TX VPN Firmware<8.9.3
Phoenix Contact FL MGuard Core TX VPN Firmware
All of
Phoenix Contact FL MGuard Core TX Firmware<8.9.3
Phoenix Contact FL Mguard Core Tx
All of
Phoenixcontact Fl Mguard Centerport Vpn-1000<8.9.3
Phoenixcontact Fl Mguard Centerport Vpn-1000 Firmware
All of
Phoenixcontact Fl Mguard 4305<10.4.1
Phoenixcontact Fl Mguard 4305 Firmware
All of
Phoenixcontact FL Mguard 4302 Firmware<10.4.1
Phoenixcontact FL Mguard 4302 Firmware
All of
Phoenix Contact FL MGuard 4102 PCI Firmware<10.4.1
Phoenixcontact FL Mguard 4102 Pcie Firmware
All of
Phoenix Contact FL MGuard 4102 PCI Firmware<10.4.1
Phoenix Contact FL MGuard 4102 PCI
All of
Phoenixcontact Fl Mguard 2105 Firmware<10.4.1
Phoenixcontact Fl Mguard 2105 Firmware
All of
Phoenixcontact Fl Mguard 2102 Firmware<10.4.1
Phoenixcontact Fl Mguard 2102 Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-43390?

    CVE-2024-43390 has been classified with low severity, but it can still lead to significant configuration changes affecting firewall services.

  • How do I fix CVE-2024-43390?

    To address CVE-2024-43390, update the affected Phoenix Contact firmware to a version later than 8.9.3.

  • What are the potential impacts of CVE-2024-43390?

    Exploitation of CVE-2024-43390 could allow a low privileged attacker to perform configuration changes that may lead to a Denial of Service (DoS).

  • Which products are affected by CVE-2024-43390?

    CVE-2024-43390 affects various Phoenix Contact TC MGuard VPN firmware versions up to 8.9.3.

  • Who is affected by CVE-2024-43390?

    Users of affected Phoenix Contact TC MGuard VPN firmware versions are at risk of configuration manipulation leading to potential service disruption.

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