CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2022-3480
A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
- CWE
- CWE-770
- Published
- Modified
- Record from
- the NVD, synced
Affected
- phoenixcontact:fl_mguard_centerport_firmware
- phoenixcontact:fl_mguard_centerport_vpn-1000_firmware
- phoenixcontact:fl_mguard_core_tx_firmware
- phoenixcontact:fl_mguard_core_tx_vpn_firmware
- phoenixcontact:fl_mguard_delta_tx\/tx_firmware
- phoenixcontact:fl_mguard_delta_tx\/tx_vpn_firmware
- phoenixcontact:fl_mguard_gt\/gt_firmware
- phoenixcontact:fl_mguard_gt\/gt_vpn_firmware
- phoenixcontact:fl_mguard_pci4000_firmware
- phoenixcontact:fl_mguard_pci4000_vpn_firmware
- phoenixcontact:fl_mguard_pcie4000_firmware
- phoenixcontact:fl_mguard_pcie4000_vpn_firmware
- phoenixcontact:fl_mguard_rs2000_tx\/tx-b_firmware
- phoenixcontact:fl_mguard_rs2000_tx\/tx_vpn_firmware
- phoenixcontact:fl_mguard_rs2005_tx_vpn_firmware
- phoenixcontact:fl_mguard_rs4000_tx\/tx-m_firmware
- phoenixcontact:fl_mguard_rs4000_tx\/tx-p_firmware
- phoenixcontact:fl_mguard_rs4000_tx\/tx_firmware
- phoenixcontact:fl_mguard_rs4000_tx\/tx_vpn_firmware
- phoenixcontact:fl_mguard_rs4004_tx\/dtx_firmware
- phoenixcontact:fl_mguard_rs4004_tx\/dtx_vpn_firmware
- phoenixcontact:fl_mguard_smart2_firmware
- phoenixcontact:fl_mguard_smart2_vpn_firmware
- phoenixcontact:tc_mguard_rs2000_3g_vpn_firmware
- phoenixcontact:tc_mguard_rs2000_4g_att_vpn_firmware
- phoenixcontact:tc_mguard_rs2000_4g_vpn_firmware
- phoenixcontact:tc_mguard_rs2000_4g_vzw_vpn_firmware
- phoenixcontact:tc_mguard_rs4000_3g_vpn_firmware
- phoenixcontact:tc_mguard_rs4000_4g_att_vpn_firmware
- phoenixcontact:tc_mguard_rs4000_4g_vpn_firmware
- phoenixcontact:tc_mguard_rs4000_4g_vzw_vpn_firmware