CVE-2024-43391

A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network access control or NAT through the FW_PORTFORWARDING.SRC_IP environment variable which can lead to a DoS. It has a CVSS v3.1 base score of 8.1 (HIGH).

CVE-2024-43391 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

CVE-2024-43391 affects products from phoenixcontact, specifically: fl_mguard_2102, fl_mguard_2102_firmware, fl_mguard_2105, fl_mguard_2105_firmware, fl_mguard_4102_pci, fl_mguard_4102_pci_firmware, fl_mguard_4102_pcie, fl_mguard_4102_pcie_firmware, fl_mguard_4302, fl_mguard_4302_firmware, fl_mguard_4305, fl_mguard_4305_firmware, fl_mguard_centerport_vpn-1000, fl_mguard_centerport_vpn-1000_firmware, fl_mguard_core_tx, fl_mguard_core_tx_firmware, fl_mguard_core_tx_vpn, fl_mguard_core_tx_vpn_firmware, fl_mguard_delta_tx\/tx, fl_mguard_delta_tx\/tx_firmware, fl_mguard_delta_tx\/tx_vpn, fl_mguard_delta_tx\/tx_vpn_firmware, fl_mguard_gt\/gt, fl_mguard_gt\/gt_firmware, fl_mguard_gt\/gt_vpn, fl_mguard_gt\/gt_vpn_firmware, fl_mguard_pci4000, fl_mguard_pci4000_firmware, fl_mguard_pci4000_vpn, fl_mguard_pci4000_vpn_firmware, fl_mguard_pcie4000, fl_mguard_pcie4000_firmware, fl_mguard_pcie4000_vpn, fl_mguard_pcie4000_vpn_firmware, fl_mguard_rs2000_tx\/tx-b, fl_mguard_rs2000_tx\/tx-b_firmware, fl_mguard_rs2000_tx\/tx_vpn, fl_mguard_rs2000_tx\/tx_vpn_firmware, fl_mguard_rs2005_tx_vpn, fl_mguard_rs2005_tx_vpn_firmware, fl_mguard_rs4000_tx\/tx, fl_mguard_rs4000_tx\/tx-m, fl_mguard_rs4000_tx\/tx-m_firmware, fl_mguard_rs4000_tx\/tx-p, fl_mguard_rs4000_tx\/tx-p_firmware, fl_mguard_rs4000_tx\/tx_firmware, fl_mguard_rs4000_tx\/tx_vpn, fl_mguard_rs4000_tx\/tx_vpn_firmware, fl_mguard_rs4004_tx\/dtx, fl_mguard_rs4004_tx\/dtx_firmware, fl_mguard_rs4004_tx\/dtx_vpn, fl_mguard_rs4004_tx\/dtx_vpn_firmware, fl_mguard_smart2, fl_mguard_smart2_firmware, fl_mguard_smart2_vpn, fl_mguard_smart2_vpn_firmware, tc_mguard_rs2000_3g_vpn, tc_mguard_rs2000_3g_vpn_firmware, tc_mguard_rs2000_4g_att_vpn, tc_mguard_rs2000_4g_att_vpn_firmware, tc_mguard_rs2000_4g_vpn, tc_mguard_rs2000_4g_vpn_firmware, tc_mguard_rs2000_4g_vzw_vpn, tc_mguard_rs2000_4g_vzw_vpn_firmware, tc_mguard_rs4000_3g_vpn, tc_mguard_rs4000_3g_vpn_firmware, tc_mguard_rs4000_4g_att_vpn, tc_mguard_rs4000_4g_att_vpn_firmware, tc_mguard_rs4000_4g_vpn, tc_mguard_rs4000_4g_vpn_firmware, tc_mguard_rs4000_4g_vzw_vpn, tc_mguard_rs4000_4g_vzw_vpn_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.