{"cve":"CVE-2023-3595","nvd":{"published":"2023-07-12T13:15:09.880","modified":"2026-06-17T06:14:25.593","status":"Modified","description":"Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010","https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010"],"products":["rockwellautomation:1756-en2f_series_a_firmware","rockwellautomation:1756-en2f_series_b_firmware","rockwellautomation:1756-en2f_series_c_firmware","rockwellautomation:1756-en2t_series_a_firmware","rockwellautomation:1756-en2t_series_b_firmware","rockwellautomation:1756-en2t_series_c_firmware","rockwellautomation:1756-en2t_series_d_firmware","rockwellautomation:1756-en2tr_series_a_firmware","rockwellautomation:1756-en2tr_series_b_firmware","rockwellautomation:1756-en2tr_series_c_firmware","rockwellautomation:1756-en3tr_series_a_firmware","rockwellautomation:1756-en3tr_series_b_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-3595","score":0.05526,"percentile":0.92812,"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."]}