{"id":"CVE-2018-13990","aliases":["EUVD-2018-5922","GHSA-8769-f7h2-qvf4"],"status":"published","title":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to...","description":"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.","severity":{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AC:L/AV:N/A:L/C:H/I:L/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02314,"percentile":0.83527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2019-05-06T18:47:16Z","modified":"2026-06-17T01:40:26Z","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"]},{"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-2018-13990"},{"url":"https://github.com/advisories/GHSA-8769-f7h2-qvf4"}],"sources":{"cve":[{"id":"CVE-2018-13990","description":"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.","status":"published","published":"2019-05-06T18:47:16Z","modified":"2024-08-05T09:21:40.97Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AC:L/AV:N/A:L/C:H/I:L/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:07.01498Z"}],"euvd":[{"id":"EUVD-2018-5922","description":"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.","status":"published","published":"2019-05-06T18:47:16Z","modified":"2024-08-05T09:21:40Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AC:L/AV:N/A:L/C:H/I:L/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T02:39:48.313733Z"}],"ghsa":[{"id":"GHSA-8769-f7h2-qvf4","title":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to...","description":"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.","status":"published","published":"2022-05-24T16:45:12Z","modified":"2024-04-04T00:28:42Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:55:50.017793Z"}],"nvd":[{"id":"CVE-2018-13990","description":"The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx 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