{"id":"CVE-2018-13994","aliases":["EUVD-2018-5926","GHSA-9xc9-7qcm-99r9"],"status":"published","title":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a...","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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02174,"percentile":0.82434,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2019-05-07T17:36:17Z","modified":"2026-06-17T01:40:27Z","products":[{"vendor":"phoenixcontact","product":"fl_switch_3004t-fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3004t-fx_st_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3005_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3005t_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3006t-2fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3006t-2fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3006t-2fx_st_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3008_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3008t_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3012e-2fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3012e-2sfx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3016_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3016e_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_3016t_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4000t-8poe-2sfp-r_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4008t-2gt-3fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4008t-2gt-4fx_sm_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4008t-2sfp_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4012t-2gt-2fx_st_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4012t_2gt_2fx_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4800e-24fx-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4800e-24fx_sm-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx_lc-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx_sm-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx_sm_lc-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx_sm_st-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4808e-16fx_st-4gc_firmware"},{"vendor":"phoenixcontact","product":"fl_switch_4824e-4gc_firmware"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-19-024-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/106737","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-13994"},{"url":"https://github.com/advisories/GHSA-9xc9-7qcm-99r9"}],"sources":{"cve":[{"id":"CVE-2018-13994","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.","status":"published","published":"2019-05-07T17:36:17Z","modified":"2024-08-05T09:21:40.712Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:07.01498Z"}],"euvd":[{"id":"EUVD-2018-5926","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.","status":"published","published":"2019-05-07T17:36:17Z","modified":"2024-08-05T09:21:40Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T02:39:48.313733Z"}],"ghsa":[{"id":"GHSA-9xc9-7qcm-99r9","title":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a...","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.","status":"published","published":"2022-05-24T16:45:16Z","modified":"2024-04-04T00:32:13Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:55:50.552757Z"}],"nvd":[{"id":"CVE-2018-13994","description":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a denial-of-service 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