{"id":"CVE-2024-3493","aliases":["EUVD-2024-32079","GHSA-mjg4-p237-8j88"],"status":"published","title":"Rockwell Automation ControlLogix and GaurdLogix Vulnerable to Major Nonrecoverable Fault Due to Invalid Header Value","description":"A 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.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00637,"percentile":0.50884,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2024-04-15T21:17:36Z","modified":"2026-06-17T07:44:22Z","products":[{"vendor":"rockwell automation","product":"1756-en4tr"},{"vendor":"rockwell automation","product":"compactlogix 5380"},{"vendor":"rockwell automation","product":"controllogix 5580"},{"vendor":"rockwell automation","product":"guardlogix 5580"},{"vendor":"rockwellautomation","product":"1756-en4tr_firmware"},{"vendor":"rockwellautomation","product":"compact_guardlogix_5380_firmware"},{"vendor":"rockwellautomation","product":"compactlogix_5380_firmware"},{"vendor":"rockwellautomation","product":"compactlogix_5380_process_firmware"},{"vendor":"rockwellautomation","product":"compactlogix_5480_firmware"},{"vendor":"rockwellautomation","product":"controllogix_5580_firmware"},{"vendor":"rockwellautomation","product":"controllogix_5580_process_firmware"},{"vendor":"rockwellautomation","product":"guardlogix_5580_firmware"}],"references":[{"url":"https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html","tags":["x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3493"},{"url":"https://github.com/advisories/GHSA-mjg4-p237-8j88"}],"sources":{"cve":[{"id":"CVE-2024-3493","title":"Rockwell Automation ControlLogix and GaurdLogix Vulnerable to Major Nonrecoverable Fault Due to Invalid Header Value","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","status":"published","published":"2024-04-15T21:17:36.077Z","modified":"2024-08-12T15:16:08.155Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:34:10.258163Z"}],"euvd":[{"id":"EUVD-2024-32079","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","status":"published","published":"2024-04-15T21:17:36Z","modified":"2024-08-12T15:16:08Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:56:20.205836Z"}],"ghsa":[{"id":"GHSA-mjg4-p237-8j88","title":"A specific malformed fragmented packet type (fragmented packets may be generated automatically by...","description":"A 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.","status":"published","published":"2024-04-16T00:30:32Z","modified":"2025-03-04T18:34:21Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:00:08.489328Z"}],"nvd":[{"id":"CVE-2024-3493","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","status":"published","published":"2024-04-15T22:15:09.073Z","modified":"2026-06-17T07:44:22.82Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:09:50.299382Z"}]}}