{"cve":"CVE-2018-13994","nvd":{"published":"2019-05-07T18:29:00.583","modified":"2026-06-17T01:40:27.127","status":"Modified","description":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a denial-of-service attack by making more than 120 connections.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["http://www.securityfocus.com/bid/106737","https://ics-cert.us-cert.gov/advisories/ICSA-19-024-02","http://www.securityfocus.com/bid/106737","https://ics-cert.us-cert.gov/advisories/ICSA-19-024-02"],"products":["phoenixcontact:fl_switch_3004t-fx_firmware","phoenixcontact:fl_switch_3004t-fx_st_firmware","phoenixcontact:fl_switch_3005_firmware","phoenixcontact:fl_switch_3005t_firmware","phoenixcontact:fl_switch_3006t-2fx_firmware","phoenixcontact:fl_switch_3006t-2fx_sm_firmware","phoenixcontact:fl_switch_3006t-2fx_st_firmware","phoenixcontact:fl_switch_3008_firmware","phoenixcontact:fl_switch_3008t_firmware","phoenixcontact:fl_switch_3012e-2fx_sm_firmware","phoenixcontact:fl_switch_3012e-2sfx_firmware","phoenixcontact:fl_switch_3016_firmware","phoenixcontact:fl_switch_3016e_firmware","phoenixcontact:fl_switch_3016t_firmware","phoenixcontact:fl_switch_4000t-8poe-2sfp-r_firmware","phoenixcontact:fl_switch_4008t-2gt-3fx_sm_firmware","phoenixcontact:fl_switch_4008t-2gt-4fx_sm_firmware","phoenixcontact:fl_switch_4008t-2sfp_firmware","phoenixcontact:fl_switch_4012t-2gt-2fx_st_firmware","phoenixcontact:fl_switch_4012t_2gt_2fx_firmware","phoenixcontact:fl_switch_4800e-24fx-4gc_firmware","phoenixcontact:fl_switch_4800e-24fx_sm-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx_lc-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx_sm-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx_sm_lc-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx_sm_st-4gc_firmware","phoenixcontact:fl_switch_4808e-16fx_st-4gc_firmware","phoenixcontact:fl_switch_4824e-4gc_firmware"],"source":"nvd","synced_at":"2026-10-19T20:56:19.218283075+00:00"},"epss":{"cve":"CVE-2018-13994","score":0.02174,"percentile":0.82317,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}