{"schemaVersion":3,"id":"CVE-2019-6855","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.","dates":{"published":"2020-01-06T22:56:58.000Z","modified":"2024-08-04T20:31:04.396Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.3,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00955,"percentile":0.60966,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00955},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00955,"percentile":0.60966}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00955,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00955,"percentile":0.60966}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-863","name":"Incorrect Authorization","description":"The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/863.html"}],"affected":[{"vendor":"schneider-electric","product":"ecostruxure_control_expert","name":"ecostruxure control expert","label":"ecostruxure_control_expert","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 14.1","noFixRecorded":false,"fixedIn":null},{"text":"14.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 14.1 | 14.1","eol":null,"hubHref":"/vendor/schneider-electric/ecostruxure_control_expert"},{"vendor":"schneider-electric","product":"modicon_m340_bmxp341000_firmware","name":"modicon m340 bmxp341000 firmware","label":"modicon_m340_bmxp341000_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.20","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m340_bmxp341000"},{"vendor":"schneider-electric","product":"modicon_m340_bmxp342000_firmware","name":"modicon m340 bmxp342000 firmware","label":"modicon_m340_bmxp342000_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.20","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m340_bmxp342000"},{"vendor":"schneider-electric","product":"modicon_m340_bmxp3420102_firmware","name":"modicon m340 bmxp3420102 firmware","label":"modicon_m340_bmxp3420102_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.20","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m340_bmxp3420102"},{"vendor":"schneider-electric","product":"modicon_m340_bmxp342020_firmware","name":"modicon m340 bmxp342020 firmware","label":"modicon_m340_bmxp342020_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.20","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m340_bmxp342020"},{"vendor":"schneider-electric","product":"modicon_m340_bmxp3420302_firmware","name":"modicon m340 bmxp3420302 firmware","label":"modicon_m340_bmxp3420302_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.20","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m340_bmxp3420302"},{"vendor":"schneider-electric","product":"modicon_m580_bmeh582040_firmware","name":"modicon m580 bmeh582040 firmware","label":"modicon_m580_bmeh582040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmeh582040"},{"vendor":"schneider-electric","product":"modicon_m580_bmeh584040_firmware","name":"modicon m580 bmeh584040 firmware","label":"modicon_m580_bmeh584040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmeh584040"},{"vendor":"schneider-electric","product":"modicon_m580_bmeh584040s_firmware","name":"modicon m580 bmeh584040s firmware","label":"modicon_m580_bmeh584040s_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmeh584040s"},{"vendor":"schneider-electric","product":"modicon_m580_bmeh586040_firmware","name":"modicon m580 bmeh586040 firmware","label":"modicon_m580_bmeh586040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmeh586040"},{"vendor":"schneider-electric","product":"modicon_m580_bmeh586040s_firmware","name":"modicon m580 bmeh586040s firmware","label":"modicon_m580_bmeh586040s_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmeh586040s"},{"vendor":"schneider-electric","product":"modicon_m580_bmep581020_firmware","name":"modicon m580 bmep581020 firmware","label":"modicon_m580_bmep581020_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep581020"},{"vendor":"schneider-electric","product":"modicon_m580_bmep582020_firmware","name":"modicon m580 bmep582020 firmware","label":"modicon_m580_bmep582020_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep582020"},{"vendor":"schneider-electric","product":"modicon_m580_bmep582040_firmware","name":"modicon m580 bmep582040 firmware","label":"modicon_m580_bmep582040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep582040"},{"vendor":"schneider-electric","product":"modicon_m580_bmep582040s_firmware","name":"modicon m580 bmep582040s firmware","label":"modicon_m580_bmep582040s_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep582040s"},{"vendor":"schneider-electric","product":"modicon_m580_bmep583020_firmware","name":"modicon m580 bmep583020 firmware","label":"modicon_m580_bmep583020_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep583020"},{"vendor":"schneider-electric","product":"modicon_m580_bmep583040_firmware","name":"modicon m580 bmep583040 firmware","label":"modicon_m580_bmep583040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep583040"},{"vendor":"schneider-electric","product":"modicon_m580_bmep584020_firmware","name":"modicon m580 bmep584020 firmware","label":"modicon_m580_bmep584020_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep584020"},{"vendor":"schneider-electric","product":"modicon_m580_bmep584040_firmware","name":"modicon m580 bmep584040 firmware","label":"modicon_m580_bmep584040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep584040"},{"vendor":"schneider-electric","product":"modicon_m580_bmep584040s_firmware","name":"modicon m580 bmep584040s firmware","label":"modicon_m580_bmep584040s_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep584040s"},{"vendor":"schneider-electric","product":"modicon_m580_bmep585040_firmware","name":"modicon m580 bmep585040 firmware","label":"modicon_m580_bmep585040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep585040"},{"vendor":"schneider-electric","product":"modicon_m580_bmep586040_firmware","name":"modicon m580 bmep586040 firmware","label":"modicon_m580_bmep586040_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.10","eol":null,"hubHref":"/vendor/schneider-electric/modicon_m580_bmep586040"}],"affectedCount":22,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2019-344-02/","label":"www.se.com/ww/en/download/document/SEVD-2019-344-02/","hostname":"www.se.com","tags":["X Refsource MISC","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-01-06T22:56:58.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T20:31:04.396Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T14:14:55.520Z","stale":false,"partial":false}}