{"id":"CVE-2021-20676","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-20676","generatedAt":"2026-10-27T22:33:46.107Z","title":"M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote…","description":"M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to bypass access restriction and conduct prohibited operations via unspecified vectors.","published":"2021-03-18T01:15:12.000Z","lastModified":"2026-06-17T03:34:14.000Z","status":"Modified","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-863"],"affected":["m-system/dl8-a firmware","m-system/dl8-b firmware","m-system/dl8-c firmware","m-system/dl8-d firmware","m-system/dl8-e firmware"],"epss":{"score":0.00797,"percentile":0.56214,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://jvn.jp/en/jp/JVN47497535/index.html","tags":["Third Party Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.m-system.co.jp/download_w/dl_dl8updaterE.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN47497535/index.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.m-system.co.jp/download_w/dl_dl8updaterE.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20676","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}