CVE-2022-3480
7.5 · HIGHOverview
CVE-2022-3480 is a high-severity vulnerability affecting phoenixcontact fl_mguard_centerport_firmware. It was published on November 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Check the references section for vendor advisories and patches from phoenixcontact. Update fl_mguard_centerport_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| phoenixcontact | fl_mguard_centerport_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_centerport_vpn-1000_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_core_tx_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_core_tx_vpn_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_delta_tx\/tx_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_delta_tx\/tx_vpn_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_gt\/gt_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_gt\/gt_vpn_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_pci4000_firmware | >= 0, < 8.9.0 | Affected |
| phoenixcontact | fl_mguard_pci4000_vpn_firmware | >= 0, < 8.9.0 | Affected |
Frequently Asked Questions
What is CVE-2022-3480?
CVE-2022-3480 is a high-severity vulnerability affecting phoenixcontact fl_mguard_centerport_firmware. It was published on November 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2022-3480?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-3480?
Check the references section for vendor advisories and patches from phoenixcontact. Update fl_mguard_centerport_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-3480?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-3480 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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