{"schemaVersion":3,"id":"CVE-2021-23007","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","dates":{"published":"2021-03-31T17:43:02.000Z","modified":"2024-08-03T18:58:26.256Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","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:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","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":0.0158,"percentile":0.75142,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0158},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0158,"percentile":0.75142}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0158,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0158,"percentile":0.75142}]},"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":[{"id":"REF_CDFDDA3B61AE7EB9","name":"Exploit Reference (support.f5.com)","source":"reference","url":"https://support.f5.com/csp/article/K37451543","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[],"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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_ddos_hybrid_defender","name":"big-ip ddos hybrid defender","label":"big-ip_ddos_hybrid_defender","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_ddos_hybrid_defender"},{"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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_edge_gateway","name":"big-ip edge gateway","label":"big-ip_edge_gateway","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_edge_gateway"},{"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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","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":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_local_traffic_manager"},{"vendor":"f5","product":"big-ip_policy_enforcement_manager","name":"big-ip policy enforcement manager","label":"big-ip_policy_enforcement_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_policy_enforcement_manager"},{"vendor":"f5","product":"big-ip_ssl_orchestrator","name":"big-ip ssl orchestrator","label":"big-ip_ssl_orchestrator","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_ssl_orchestrator"},{"vendor":"f5","product":"big-ip_webaccelerator","name":"big-ip webaccelerator","label":"big-ip_webaccelerator","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"14.1.4","noFixRecorded":false,"fixedIn":null},{"text":"16.0.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.1.4 | 16.0.1.1","eol":null,"hubHref":"/vendor/f5/big-ip_webaccelerator"}],"affectedCount":16,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.f5.com/csp/article/K37451543","label":"support.f5.com/csp/article/K37451543","hostname":"support.f5.com","tags":["X Refsource MISC","Exploit","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-03-31T17:43:02.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:58:26.256Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T18:13:00.450Z","stale":false,"partial":false}}