{"schemaVersion":3,"id":"CVE-2021-27796","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the “user” or “factory” account, to read the contents of any file on the filesystem utilizing one of a few available binaries.","dates":{"published":"2022-02-21T17:49:34.000Z","modified":"2024-08-03T21:33:15.743Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:C/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:C/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00907,"percentile":0.59237,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00907},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00907,"percentile":0.59237}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00907,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00907,"percentile":0.59237}]},"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":[],"affected":[{"vendor":"broadcom","product":"fabric_operating_system","name":"fabric operating system","label":"fabric_operating_system","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 7.4.1d","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.0.0, < 8.0.1b","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7.4.1d | ≥ 8.0.0, < 8.0.1b","eol":null,"hubHref":"/vendor/broadcom/fabric_operating_system"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721","label":"www.broadcom.com/support/…","hostname":"www.broadcom.com","tags":["X Refsource MISC","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-02-21T17:49:34.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T21:33:15.743Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:14:34.877Z","stale":false,"partial":false}}