{"cve":{"cve_id":"CVE-2024-4009","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00142,"epss_percentile":0.03837,"epss_as_of":"2026-06-23","description":"Replay Attack\n\nin ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to capture/replay KNX telegram to local KNX Bus-System","published_at":"2024-06-05T17:19:07.010000Z","last_modified_at":null,"cvss_v3_score":9.2,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":7.3,"cvss_v4_vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:N/V:D/RE:M/U:Green","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-294"],"nvd_references":["https://search.abb.com/library/Download.aspx?DocumentID=9AKK108464A0803&LanguageCode=en&DocumentPartId=&Action=Launch"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T02:12:16.527185Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"P","value_label":"Present"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"L","value_label":"Low"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"H","value_label":"High"},{"metric":"SA","name":"Availability (Subsequent System)","value":"H","value_label":"High"},{"metric":"S","name":"Scope","value":"N","value_label":"None"},{"metric":"AU","name":"AU","value":"N","value_label":"None"},{"metric":"V","name":"V","value":"D","value_label":"D"},{"metric":"RE","name":"RE","value":"M","value_label":"M"},{"metric":"U","name":"U","value":"Green","value_label":"Green"}]},"affected":[{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"2.4-display-55-sd-sd-u12.55.1-825","product_name":"2.4! Display 55, SD/SD/U12.55.1-825","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:2.4-display-55-sd-sd-u12.55.1-825:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"2.4-display-55-sd-u12.55.11-825","product_name":"2.4! Display 55, SD/U12.55.11-825","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:2.4-display-55-sd-u12.55.11-825:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"2.4-display-63-sd-u12.63.11-825","product_name":"2.4! Display 63, SD/U12.63.11-825","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:2.4-display-63-sd-u12.63.11-825:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"2-4-display-70-sd-u12.70.11-4015","product_name":"2,4'' Display 70, SD/U12.70.11-4015","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:2-4-display-70-sd-u12.70.11-4015:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"2-4-display-70-sd-u12-70-1-4015","product_name":"2,4'' Display 70, SD-U12-70-1-4015","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:2-4-display-70-sd-u12-70-1-4015:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"bcu-knx-ba-u1.0.1","product_name":"BCU KNX, BA-U1.0.1","version_start":"1.3.0.33","version_start_inclusive":true,"version_end":"1.3.0.33","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:bcu-knx-ba-u1.0.1:1.3.0.33:1.3.0.33"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"bcu-knx-ba-u1.0.11","product_name":"BCU KNX, BA-U1.0.11","version_start":"1.3.0.33","version_start_inclusive":true,"version_end":"1.3.0.33","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:bcu-knx-ba-u1.0.11:1.3.0.33:1.3.0.33"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"bcu-knx-ba-u1.0.21","product_name":"BCU KNX, BA-U1.0.21","version_start":"1.3.0.33","version_start_inclusive":true,"version_end":"1.3.0.33","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:bcu-knx-ba-u1.0.21:1.3.0.33:1.3.0.33"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"roomtouch-4-rt-u12.86.11-811","product_name":"RoomTouch 4\", RT/U12.86.11-811","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:roomtouch-4-rt-u12.86.11-811:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"roomtouch-4-rt-u12.86.11-825","product_name":"RoomTouch 4\", RT/U12.86.11-825","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:roomtouch-4-rt-u12.86.11-825:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"roomtouch-4-rt-u12-86-1-811","product_name":"RoomTouch 4\", RT-U12-86-1-811","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:roomtouch-4-rt-u12-86-1-811:1.00:1.00"},{"vendor_slug":"abb-busch-jaeger","vendor_name":"ABB, Busch-Jaeger","product_slug":"roomtouch-4-rt-u12.86.1-825","product_name":"RoomTouch 4\", RT/U12.86.1-825","version_start":"1.00","version_start_inclusive":true,"version_end":"1.00","version_end_inclusive":true,"cpe23_uri":"cve5:abb-busch-jaeger:roomtouch-4-rt-u12.86.1-825:1.00:1.00"}],"exploit_refs":[],"news":[],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=9AKK108464A0803&LanguageCode=en&DocumentPartId=&Action=Launch","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-06-05T17:19:07.010000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:23.080966Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T02:12:16.527185Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:12:16.527185Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:12:16.527185Z","label":"SSVC decision revised","source":"vulnrichment"}]}