CVE-2022-3480

HIGH

Phoenixcontact FL Mguard Centerport F... - Resource Allocation Without Limits

Title source: rule

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.

References (1)

[Mitigation, Third Party Advisory] https://cert.vde.com/en/advisories/VDE-2022-051/

Scores

CVSS v3 7.5

EPSS 0.0075

EPSS Percentile 72.9%

Attack Vector NETWORK

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

Classification

CWE

CWE-770

Status published

Affected Products (31)

phoenixcontact/fl_mguard_centerport_firmware < 8.9.0

phoenixcontact/fl_mguard_centerport_vpn-1000_firmware < 8.9.0

phoenixcontact/fl_mguard_core_tx_firmware < 8.9.0

phoenixcontact/fl_mguard_core_tx_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_delta_tx\/tx_firmware < 8.9.0

phoenixcontact/fl_mguard_delta_tx\/tx_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_gt\/gt_firmware < 8.9.0

phoenixcontact/fl_mguard_gt\/gt_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_pci4000_firmware < 8.9.0

phoenixcontact/fl_mguard_pci4000_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_pcie4000_firmware < 8.9.0

phoenixcontact/fl_mguard_pcie4000_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_rs2000_tx\/tx-b_firmware < 8.9.0

phoenixcontact/fl_mguard_rs2000_tx\/tx_vpn_firmware < 8.9.0

phoenixcontact/fl_mguard_rs2005_tx_vpn_firmware < 8.9.0

... and 16 more

Timeline

Published Nov 15, 2022

Tracked Since Feb 18, 2026