{"schemaVersion":3,"id":"CVE-2020-1933","aliases":["GHSA-pqhq-xx62-2v2p","BIT-nifi-2020-1933"],"status":"published","duplicateOf":null,"title":null,"description":"A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.","dates":{"published":"2020-01-28T00:33:32.000Z","modified":"2024-08-04T06:54:00.368Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02813,"percentile":0.86314,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.02813},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02813,"percentile":0.86314}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02813,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02813,"percentile":0.86314}]},"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-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"apache software foundation","product":"apache nifi","name":"Apache NiFi","label":"apache nifi","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Apache NiFi 1.0.0 to 1.10.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"Apache NiFi 1.0.0 to 1.10.0","eol":null,"hubHref":"/vendor/apache_software_foundation/apache_nifi"},{"vendor":"apache","product":"nifi","name":"nifi","label":"nifi","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.0.0, ≤ 1.10.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0.0, ≤ 1.10.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"apache-nifi","label":"Apache NiFi","category":"server-app"}},"hubHref":"/vendor/apache/nifi"},{"vendor":"org.apache.nifi","product":"nifi","name":"org.apache.nifi:nifi","label":"nifi","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.apache.nifi/nifi","purlType":"maven","versions":[{"text":"≥ 1.0.0, < 1.11.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0.0, < 1.11.0","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://nifi.apache.org/security.html#CVE-2020-1933","label":"nifi.apache.org/security.html","hostname":"nifi.apache.org","tags":["X Refsource CONFIRM","WEB","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1933","label":"nvd.nist.gov/vuln/detail/CVE-2020-1933","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/apache/nifi/pull/3991","label":"github.com/apache/nifi/pull/3991","hostname":"github.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-01-28T00:33:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T06:54:00.368Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":25,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T10:17:34.058Z","stale":false,"partial":false}}