{"cve":"CVE-2020-12739","nvd":{"published":"2020-08-03T17:15:11.480","modified":"2026-06-17T02:52:12.947","status":"Modified","description":"A denial-of-service vulnerability in the Fanuc i Series CNC (0i-MD and 0i Mate-MD) could allow an unauthenticated, remote attacker to cause an affected CNC to become inaccessible to other devices.","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:L","score":5.3},"cwes":["CWE-400"],"references":["http://jvn.jp/en/jp/JVN84959128/index.html","https://jvn.jp/en/jp/JVN84959128/index.html","https://jvn.jp/jp/JVN84959128/index.html","https://www.fanuc.co.jp/eindex.html","http://jvn.jp/en/jp/JVN84959128/index.html"],"products":["fanuc:power_motion_i-model_a_firmware","fanuc:series_0i-mate_d_firmware","fanuc:series_0i-model_b_firmware","fanuc:series_0i-model_c_firmware","fanuc:series_0i-model_d_firmware","fanuc:series_0i-model_f_firmware","fanuc:series_0i-model_f_plus_firmware","fanuc:series_16i_firmware","fanuc:series_18i-wb_firmware","fanuc:series_18i_firmware","fanuc:series_21i-model_b_firmware","fanuc:series_30i_firmware","fanuc:series_31i_firmware","fanuc:series_32i-b_plus_firmware","fanuc:series_32i-model_a_firmware","fanuc:series_35i-b_firmware"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-12739","score":0.01949,"percentile":0.8022,"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."]}