{"cve":"CVE-2022-3480","nvd":{"published":"2022-11-15T11:15:12.100","modified":"2026-06-17T04:59:36.397","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://cert.vde.com/en/advisories/VDE-2022-051/","https://cert.vde.com/en/advisories/VDE-2022-051/"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T21:37:08.729216836+00:00"},"epss":{"cve":"CVE-2022-3480","score":0.00926,"percentile":0.60482,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}