Improper access control exists on PHOENIX CONTACT FL NAT 2208 devices before V2.90 and FL NAT 2304-2GC-2SFP devices before V2.90 when using MAC-based port security.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.2, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), and limited availability for affected systems. Impacting 4 products from phoenixcontact, from phoenixcontact, from phoenixcontact and 1 other, organizations running these solutions should prioritize assessment and patching.
Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2020-02-18T16:15:10.923
2026-06-17T02:24:53.580
Modified
CVSSv3.1: 8.2 (HIGH)
AV:A/AC:M/Au:N/C:N/I:P/A:P
5.5
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | phoenixcontact | fl_nat_2208_firmware | < 2.90 | Yes |
| Hardware | phoenixcontact | fl_nat_2208 | - | No |
| Operating System | phoenixcontact | fl_nat_2304-2gc-2sfp_firmware | < 2.90 | Yes |
| Hardware | phoenixcontact | fl_nat_2304-2gc-2sfp | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For phoenixcontact's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.