CVE-2022-3480
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPhoenixcontact Fl Mguard Centerport Firmware
PublishedNov 15, 2022
First seenNov 15, 2022
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- phoenixcontact fl_mguard_centerport_firmware8.9.0 or later
- phoenixcontact fl_mguard_centerport_vpn-1000_firmware8.9.0 or later
- phoenixcontact fl_mguard_core_tx_firmware8.9.0 or later
- phoenixcontact fl_mguard_core_tx_vpn_firmware8.9.0 or later
- phoenixcontact fl_mguard_delta_tx\/tx_firmware8.9.0 or later
- phoenixcontact fl_mguard_delta_tx\/tx_vpn_firmware8.9.0 or later
- phoenixcontact fl_mguard_gt\/gt_firmware8.9.0 or later
- phoenixcontact fl_mguard_gt\/gt_vpn_firmware8.9.0 or later
- phoenixcontact fl_mguard_pci4000_firmware8.9.0 or later
- phoenixcontact fl_mguard_pci4000_vpn_firmware8.9.0 or later
- phoenixcontact fl_mguard_pcie4000_firmware8.9.0 or later
- phoenixcontact fl_mguard_pcie4000_vpn_firmware8.9.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| phoenixcontact fl_mguard_centerport_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_centerport_vpn-1000_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_core_tx_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_core_tx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_delta_tx\/tx_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_delta_tx\/tx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_gt\/gt_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_gt\/gt_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_pci4000_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_pci4000_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_pcie4000_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_pcie4000_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs2000_tx\/tx-b_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs2000_tx\/tx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs2005_tx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4000_tx\/tx_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4000_tx\/tx-m_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4000_tx\/tx-p_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4000_tx\/tx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4004_tx\/dtx_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_rs4004_tx\/dtx_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_smart2_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact fl_mguard_smart2_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs2000_3g_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs2000_4g_att_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs2000_4g_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs2000_4g_vzw_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs4000_3g_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs4000_4g_att_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs4000_4g_vpn_firmware | v < 8.9.0 | 8.9.0 |
| phoenixcontact tc_mguard_rs4000_4g_vzw_vpn_firmware | v < 8.9.0 | 8.9.0 |
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