{"cve":"CVE-2021-20719","nvd":{"published":"2021-05-20T02:15:07.157","modified":"2026-06-17T03:34:18.950","status":"Modified","description":"RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.8},"cwes":["CWE-78"],"references":["https://jvn.jp/en/jp/JVN13076220/index.html","https://www.nippon-antenna.co.jp/ja/news/news/news8217702780390204428.html","https://jvn.jp/en/jp/JVN13076220/index.html","https://www.nippon-antenna.co.jp/ja/news/news/news8217702780390204428.html"],"products":["nippon-antenna:rfntps_firmware"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-20719","score":0.0044,"percentile":0.38226,"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."]}