{"cve":"CVE-2024-21916","nvd":{"published":"2024-01-31T19:15:08.427","modified":"2026-06-17T07:10:24.450","status":"Modified","description":"A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). The device will restart itself to recover from the MNRF.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-119"],"references":["https://www.rockwellautomation.com/en-us/support/advisory.SD1661.html","https://www.rockwellautomation.com/en-us/support/advisory.SD1661.html"],"products":["rockwellautomation:controllogix_5570_controller_firmware","rockwellautomation:controllogix_5570_redundant_controller_firmware","rockwellautomation:guardlogix_5570_controller_firmware"],"source":"nvd","synced_at":"2026-10-19T21:44:57.175229480+00:00"},"epss":{"cve":"CVE-2024-21916","score":0.00648,"percentile":0.51066,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}