{"schemaVersion":3,"id":"CVE-2020-15387","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.","dates":{"published":"2021-06-09T15:24:45.000Z","modified":"2024-08-04T13:15:20.616Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.4,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.4,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00491,"percentile":0.40916,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00491},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00491,"percentile":0.40916}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00491,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00491,"percentile":0.40916}]},"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-326","name":"Inadequate Encryption Strength","description":"The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/326.html"}],"affected":[{"vendor":"broadcom","product":"brocade_sannav","name":"brocade sannav","label":"brocade_sannav","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.1.1","eol":null,"hubHref":"/vendor/broadcom/brocade_sannav"},{"vendor":"broadcom","product":"fabric_operating_system","name":"fabric operating system","label":"fabric_operating_system","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 7.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.2.0, < 8.2.1","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2a","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2b","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2c","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2d","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2f","noFixRecorded":false,"fixedIn":null},{"text":"7.4.2g","noFixRecorded":false,"fixedIn":null},{"text":"8.2.1","noFixRecorded":false,"fixedIn":null},{"text":"8.2.1a","noFixRecorded":false,"fixedIn":null},{"text":"8.2.1b","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7.4.2 | ≥ 8.2.0, < 8.2.1 | 7.4.2 | 7.4.2a | 7.4.2b | 7.4.2c | 7.4.2d | 7.4.2f | 7.4.2g | 8.2.1 | 8.2.1a | 8.2.1b","eol":null,"hubHref":"/vendor/broadcom/fabric_operating_system"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1291","label":"www.broadcom.com/support/…","hostname":"www.broadcom.com","tags":["X Refsource MISC","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-09T15:24:45.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T13:15:20.616Z","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":"2026-10-19T19:27:59.819Z","stale":false,"partial":false}}