{"schemaVersion":3,"id":"CVE-2021-43066","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.","dates":{"published":"2022-05-11T15:40:10.000Z","modified":"2024-10-22T20:56:54.929Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.4,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:H/RL:U/RC:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.4,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:H/RL:U/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.6,"severity":"medium","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00224,"percentile":0.12175,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.003999999999999967,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0022},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00224,"percentile":0.12175}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0022,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00224,"percentile":0.12175}]},"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-668","name":"Exposure of Resource to Wrong Sphere","description":"The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/668.html"}],"affected":[{"vendor":"fortinet","product":"forticlient","name":"forticlient","label":"forticlient","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 6.0.0, < 6.4.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0, < 7.0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 6.0.0, < 6.4.7 | ≥ 7.0.0, < 7.0.3","eol":null,"hubHref":"/vendor/fortinet/forticlient"},{"vendor":"fortinet","product":"fortinet forticlientwindows","name":"Fortinet FortiClientWindows","label":"fortinet forticlientwindows","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"FortiClientWindows 7.0.2 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"FortiClientWindows 7.0.2 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0","eol":null,"hubHref":"/vendor/fortinet/fortinet_forticlientwindows"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-154","label":"fortiguard.com/advisory/FG-IR-21-154","hostname":"fortiguard.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-05-11T15:40:10.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-22T20:56:54.929Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T21:32:57.556Z","stale":false,"partial":false}}