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HIGH · 7.5

CVE-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 connection...

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
PhoenixcontactFl Mguard Centerport Firmware< 8.9.0
PhoenixcontactFl Mguard Centerport-
PhoenixcontactFl Mguard Centerport Vpn-1000 Firmware< 8.9.0
PhoenixcontactFl Mguard Centerport Vpn-1000-
PhoenixcontactFl Mguard Core Tx Firmware< 8.9.0
PhoenixcontactFl Mguard Core Tx-
PhoenixcontactFl Mguard Core Tx Vpn Firmware< 8.9.0
PhoenixcontactFl Mguard Core Tx Vpn-
PhoenixcontactFl Mguard Delta Tx\/Tx Firmware< 8.9.0
PhoenixcontactFl Mguard Delta Tx\/Tx-
PhoenixcontactFl Mguard Delta Tx\/Tx Vpn Firmware< 8.9.0
PhoenixcontactFl Mguard Delta Tx\/Tx Vpn-
PhoenixcontactFl Mguard Gt\/Gt Firmware< 8.9.0
PhoenixcontactFl Mguard Gt\/Gt-
PhoenixcontactFl Mguard Gt\/Gt Vpn Firmware< 8.9.0
PhoenixcontactFl Mguard Gt\/Gt Vpn-
PhoenixcontactFl Mguard Pci4000 Firmware< 8.9.0
PhoenixcontactFl Mguard Pci4000-
PhoenixcontactFl Mguard Pci4000 Vpn Firmware< 8.9.0
PhoenixcontactFl Mguard Pci4000 Vpn-

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2022-3480?

CVE-2022-3480 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 connection...

How severe is CVE-2022-3480?

CVE-2022-3480 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-3480?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixcontact Fl Mguard Centerport Firmware, Phoenixcontact Fl Mguard Centerport, Phoenixcontact Fl Mguard Centerport Vpn-1000 Firmware, Phoenixcontact Fl Mguard Centerport Vpn-1000, Phoenixcontact Fl Mguard Core Tx Firmware.