CVE-2022-3480

Denial-of-Service vulnerability in PHOENIX CONTACT mGuard product family

Published Nov 15, 2022 CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to firmware version >= 8.9.0

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-42852 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Subscriptions

Phoenixcontact Fl Mguard Centerport Fl Mguard Centerport 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
Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Apr 29, 2025, 8:13 PM
Reserved
Oct 13, 2022, 7:49 AM
Status
Modified
Published
Nov 15, 2022, 11:15 AM
Modified
Jun 17, 2026, 4:59 AM