{"schemaVersion":3,"id":"CVE-2021-36187","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon via crafted HTTP requests","dates":{"published":"2021-11-02T18:32:37.000Z","modified":"2024-10-25T13:45:24.571Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01426,"percentile":0.72552,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01426},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01426,"percentile":0.72552}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01426,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01426,"percentile":0.72552}]},"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-400","name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/400.html"}],"affected":[{"vendor":"fortinet","product":"fortinet fortiweb","name":"Fortinet FortiWeb","label":"fortinet fortiweb","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"FortiWeb 6.4.0, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.2, 6.1.1, 6.1.0, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.9.1, 5.9.0, 5.8.7, 5.8.6, 5.8.5, 5.8.3, 5.8.2, 5.8.1, 5.8.0, 5.7.3, 5.7.2, 5.7.1, 5.7.0, 5.6.2, 5.6.1, 5.6.0, 5.5.7, 5.5.6, 5.5.5, 5.5.4, 5.5.3, 5.5.2, 5.5.1, 5.5.0, 5.4.1, 5.4.0, 5.3.9, 5.3.8, 5.3.7, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.4, 5.1.3, 5.1.2, 5.1.1, 5.1.0, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.1, 5.0.0, 4.4.7, 4.4.6, 4.4.5, 4.4.4, 4.4.3, 4.4.2, 4.4.1, 4.4.0, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.2.4, 4.2.3, 4.2.2, 4.2.0, 4.1.2, 4.1.1, 4.1.0, 4.0.2, 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"FortiWeb 6.4.0, 6.3.15, 6.3.14, 6.3.13, 6.3.12, 6.3.11, 6.3.10, 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.2, 6.1.1, 6.1.0, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.9.1, 5.9.0, 5.8.7, 5.8.6, 5.8.5, 5.8.3, 5.8.2, 5.8.1, 5.8.0, 5.7.3, 5.7.2, 5.7.1, 5.7.0, 5.6.2, 5.6.1, 5.6.0, 5.5.7, 5.5.6, 5.5.5, 5.5.4, 5.5.3, 5.5.2, 5.5.1, 5.5.0, 5.4.1, 5.4.0, 5.3.9, 5.3.8, 5.3.7, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.4, 5.1.3, 5.1.2, 5.1.1, 5.1.0, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.1, 5.0.0, 4.4.7, 4.4.6, 4.4.5, 4.4.4, 4.4.3, 4.4.2, 4.4.1, 4.4.0, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.2.4, 4.2.3, 4.2.2, 4.2.0, 4.1.2, 4.1.1, 4.1.0, 4.0.2, 3.0.0","eol":null,"hubHref":"/vendor/fortinet/fortinet_fortiweb"},{"vendor":"fortinet","product":"fortiweb","name":"Fortiweb","label":"fortiweb","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 6.2.0, ≤ 6.2.5","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.3.0, ≤ 6.3.15","noFixRecorded":false,"fixedIn":null},{"text":"6.4.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 6.2.0, ≤ 6.2.5 | ≥ 6.3.0, ≤ 6.3.15 | 6.4.0","eol":null,"hubHref":"/vendor/fortinet/fortiweb"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-039","label":"fortiguard.com/advisory/FG-IR-21-039","hostname":"fortiguard.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-11-02T18:32:37.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-25T13:45:24.571Z","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":"2026-10-20T05:38:37.584Z","stale":false,"partial":false}}