{"schemaVersion":3,"id":"CVE-2021-23041","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x, a DOM based cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the current logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","dates":{"published":"2021-09-14T13:31:36.000Z","modified":"2024-08-03T18:58:26.255Z","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":"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":0.00581,"percentile":0.46972,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00581},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00581,"percentile":0.46972}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00581,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00581,"percentile":0.46972}]},"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":"f5","product":"big-ip_access_policy_manager","name":"big-ip access policy manager","label":"big-ip_access_policy_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_access_policy_manager"},{"vendor":"f5","product":"big-ip_advanced_firewall_manager","name":"big-ip advanced firewall manager","label":"big-ip_advanced_firewall_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_advanced_firewall_manager"},{"vendor":"f5","product":"big-ip_advanced_web_application_firewall","name":"big-ip advanced web application firewall","label":"big-ip_advanced_web_application_firewall","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_advanced_web_application_firewall"},{"vendor":"f5","product":"big-ip_analytics","name":"big-ip analytics","label":"big-ip_analytics","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_analytics"},{"vendor":"f5","product":"big-ip_application_acceleration_manager","name":"big-ip application acceleration manager","label":"big-ip_application_acceleration_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_application_acceleration_manager"},{"vendor":"f5","product":"big-ip_application_security_manager","name":"big-ip application security manager","label":"big-ip_application_security_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_domain_name_system","name":"big-ip domain name system","label":"big-ip_domain_name_system","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_fraud_protection_service","name":"big-ip fraud protection service","label":"big-ip_fraud_protection_service","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_fraud_protection_service"},{"vendor":"f5","product":"big-ip_global_traffic_manager","name":"big-ip global traffic manager","label":"big-ip_global_traffic_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_global_traffic_manager"},{"vendor":"f5","product":"big-ip_link_controller","name":"big-ip link controller","label":"big-ip_link_controller","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_link_controller"},{"vendor":"f5","product":"big-ip_local_traffic_manager","name":"big-ip local traffic manager","label":"big-ip_local_traffic_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 12.1.0, ≤ 12.1.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 13.1.0, < 13.1.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.1.0, < 14.1.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 15.1.0, < 15.1.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 16.0.0, < 16.0.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, < 13.1.4.1 | ≥ 14.1.0, < 14.1.4.2 | ≥ 15.1.0, < 15.1.3 | ≥ 16.0.0, < 16.0.1.2","eol":null,"hubHref":"/vendor/f5/big-ip_local_traffic_manager"}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.f5.com/csp/article/K42526507","label":"support.f5.com/csp/article/K42526507","hostname":"support.f5.com","tags":["X Refsource MISC","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-09-14T13:31:36.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:58:26.255Z","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":"2026-10-22T02:22:32.781Z","stale":false,"partial":false}}