The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to brute-force attacks, because of Improper Restriction of Excessive Authentication Attempts.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.6, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), limited integrity, and limited availability for affected systems. Impacting 58 products from phoenixcontact, from phoenixcontact, from phoenixcontact and 55 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2019-05-06T19:29:00.467
2024-11-21T03:48:23.040
Modified
CVSSv3.0: 8.6 (HIGH)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
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.