{"cve":"CVE-2023-4699","nvd":{"published":"2023-11-06T06:15:41.563","modified":"2026-06-17T06:38:23.850","status":"Modified","description":"Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi Electric CNC M800V/M80V series, Mitsubishi Electric CNC M800/M80/E80 series and Mitsubishi Electric CNC M700V/M70V/E70 series allows a remote unauthenticated attacker to execute arbitrary commands by sending specific packets to the affected products. This could lead to disclose or tamper with information by reading or writing control programs, or cause a denial-of-service (DoS) condition on the products by resetting the memory contents of the products to factory settings or resetting the products remotely.","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:H/A:H","score":9.1},"cwes":["CWE-306","CWE-345"],"references":["https://jvn.jp/vu/JVNVU94620134/","https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03","https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-013_en.pdf","https://jvn.jp/vu/JVNVU94620134/","https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03"],"products":["mitsubishielectric:fx3g-14mr\\/ds_firmware","mitsubishielectric:fx3g-14mr\\/es-a_firmware","mitsubishielectric:fx3g-14mr\\/es_firmware","mitsubishielectric:fx3g-14mt\\/ds_firmware","mitsubishielectric:fx3g-14mt\\/dss_firmware","mitsubishielectric:fx3g-14mt\\/es-a_firmware","mitsubishielectric:fx3g-14mt\\/es_firmware","mitsubishielectric:fx3g-14mt\\/ess_firmware","mitsubishielectric:fx3g-24mr\\/ds_firmware","mitsubishielectric:fx3g-24mr\\/es-a_firmware","mitsubishielectric:fx3g-24mr\\/es_firmware","mitsubishielectric:fx3g-24mt\\/ds_firmware","mitsubishielectric:fx3g-24mt\\/dss_firmware","mitsubishielectric:fx3g-24mt\\/es-a_firmware","mitsubishielectric:fx3g-24mt\\/es_firmware","mitsubishielectric:fx3g-24mt\\/ess_firmware","mitsubishielectric:fx3g-40mr\\/ds_firmware","mitsubishielectric:fx3g-40mr\\/es-a_firmware","mitsubishielectric:fx3g-40mr\\/es_firmware","mitsubishielectric:fx3g-40mt\\/ds_firmware","mitsubishielectric:fx3g-40mt\\/dss_firmware","mitsubishielectric:fx3g-40mt\\/es-a_firmware","mitsubishielectric:fx3g-40mt\\/es_firmware","mitsubishielectric:fx3g-40mt\\/ess_firmware","mitsubishielectric:fx3g-60mr\\/ds_firmware","mitsubishielectric:fx3g-60mr\\/es-a_firmware","mitsubishielectric:fx3g-60mr\\/es_firmware","mitsubishielectric:fx3g-60mt\\/ds_firmware","mitsubishielectric:fx3g-60mt\\/dss_firmware","mitsubishielectric:fx3g-60mt\\/es-a_firmware","mitsubishielectric:fx3g-60mt\\/es_firmware","mitsubishielectric:fx3g-60mt\\/ess_firmware","mitsubishielectric:fx3ga-24mr-cm_firmware","mitsubishielectric:fx3ga-24mt-cm_firmware","mitsubishielectric:fx3ga-40mr-cm_firmware","mitsubishielectric:fx3ga-40mt-cm_firmware","mitsubishielectric:fx3ga-60mr-cm_firmware","mitsubishielectric:fx3ga-60mt-cm_firmware","mitsubishielectric:fx3gc-32mt\\/d_firmware","mitsubishielectric:fx3gc-32mt\\/dss_firmware","mitsubishielectric:fx3ge-24mr\\/ds_firmware","mitsubishielectric:fx3ge-24mr\\/es_firmware","mitsubishielectric:fx3ge-24mt\\/ds_firmware","mitsubishielectric:fx3ge-24mt\\/dss_firmware","mitsubishielectric:fx3ge-24mt\\/es_firmware","mitsubishielectric:fx3ge-24mt\\/ess_firmware","mitsubishielectric:fx3ge-40mr\\/ds_firmware","mitsubishielectric:fx3ge-40mr\\/es_firmware","mitsubishielectric:fx3ge-40mt\\/ds_firmware","mitsubishielectric:fx3ge-40mt\\/dss_firmware"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-4699","score":0.00767,"percentile":0.55549,"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."]}