{"cve":{"cve_id":"CVE-2024-3493","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":0.00637,"epss_percentile":0.45765,"epss_as_of":"2026-06-23","description":"\nA specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices. \n\n","published_at":"2024-04-15T21:17:36.077000Z","last_modified_at":null,"cvss_v3_score":8.6,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-20"],"nvd_references":["https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html"],"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":"2026-06-29T02:03:22.129226Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"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":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"1756-en4tr","product_name":"1756-EN4TR","version_start":"v5.001","version_start_inclusive":true,"version_end":"v5.001","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:1756-en4tr:v5.001:v5.001"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"compactlogix-5380","product_name":"CompactLogix 5380","version_start":"v5.001","version_start_inclusive":true,"version_end":"v5.001","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:compactlogix-5380:v5.001:v5.001"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"controllogix-5580","product_name":"ControlLogix® 5580","version_start":"v35.011","version_start_inclusive":true,"version_end":"v35.011","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:controllogix-5580:v35.011:v35.011"},{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"guardlogix-5580","product_name":"GuardLogix 5580","version_start":"v35.011","version_start_inclusive":true,"version_end":"v35.011","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:guardlogix-5580:v35.011:v35.011"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-04-15T21:17:36.077000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:36:55.853342Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:36:55.853342Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:36:55.853342Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T02:03:22.129226Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:03:22.129226Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:03:22.129226Z","label":"SSVC decision revised","source":"vulnrichment"}]}