{"schemaVersion":3,"id":"CVE-2021-40333","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Weak Password Requirements vulnerability in Hitachi Energy FOX61x, XCM20 allows an attacker to gain unauthorized access to the Data Communication Network (DCN) routing configuration. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A.","dates":{"published":"2021-12-02T18:29:36.828Z","modified":"2024-09-17T00:15:37.686Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.5,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00655,"percentile":0.50677,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.02100000000000001,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00634},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00655,"percentile":0.50677}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00634,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00655,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00655,"percentile":0.50677}]},"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-521","name":"Weak Password Requirements","description":"The product does not require that users should have strong passwords.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/521.html"}],"affected":[{"vendor":"hitachi energy","product":"fox61x","name":"FOX61x","label":"fox61x","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ R15A, < R15A","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ R15A, < R15A","eol":null,"hubHref":"/vendor/hitachi_energy/fox61x"},{"vendor":"hitachi energy","product":"xcm20","name":"XCM20","label":"xcm20","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ R15A, < R15A","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ R15A, < R15A","eol":null,"hubHref":"/vendor/hitachi_energy/xcm20"},{"vendor":"hitachienergy","product":"fox615_firmware","name":"fox615 firmware","label":"fox615_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< r15a","noFixRecorded":false,"fixedIn":null}],"versionsText":"< r15a","eol":null,"hubHref":"/vendor/hitachienergy/fox615"},{"vendor":"hitachienergy","product":"xcm20_firmware","name":"xcm20 firmware","label":"xcm20_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< r15a","noFixRecorded":false,"fixedIn":null}],"versionsText":"< r15a","eol":null,"hubHref":"/vendor/hitachienergy/xcm20"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=8DBD000062&LanguageCode=en&DocumentPartId=&Action=Launch","label":"search.abb.com/library/…","hostname":"search.abb.com","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://search.abb.com/library/Download.aspx?DocumentID=8DBD000069&LanguageCode=en&DocumentPartId=&Action=Launch","label":"search.abb.com/library/…","hostname":"search.abb.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-12-02T18:29:36.828Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T00:15:37.686Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T15:00:57.246Z","stale":false,"partial":false}}