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Cwe 20

🧬 CWE Related 2,857
slug: cwe-20

Explanation

CWE-20は「ユーザーから受け取ったデータが、想定された形式・範囲・型かをきちんとチェックせずに使ってしまう欠陥」のことです。 非常に広い概念で、SQLi・XSS・コマンドインジェクションなど多くの攻撃の前段階となります。 「入力は信用するな (Trust Boundaries の概念)」がセキュリティ設計の基本原則です。
📌 Example
多くのCISA KEV登録CVEがこのCWEに分類されており、2024年だけで100件以上の悪用事例があります。
🔗 Related links

🔖 Related tags

Cwe 798692 Cwe 894154 Cwe 8624040 Cwe 2844030 Cwe 4163898 Cwe 1193185 Cwe 2003145 Cwe 1253116 Cwe 222773 Cwe 7872520 Cwe 782028 Cwe 941871 Cwe 8631869 Cwe 1221801 Cwe 741796

🛡 Vulnerabilities tagged with this 2,859

Image ID Title
CVE-2026-13991 Vulnerability in Google Chrome (CVE-2026-13991)
CVE-2026-13990 Vulnerability in Google Chrome (CVE-2026-13990)
CVE-2026-13921 Vulnerability in Google Chrome (CVE-2026-13921)
CVE-2026-13928 Vulnerability in Google Chrome (CVE-2026-13928)
CVE-2026-13924 Vulnerability in Google Chrome (CVE-2026-13924)
CVE-2026-13925 Vulnerability in Google Chrome (CVE-2026-13925)
CVE-2026-13920 Vulnerability in Google Chrome (CVE-2026-13920)
CVE-2026-13917 Vulnerability in Google Chrome (CVE-2026-13917)
CVE-2026-13908 Vulnerability in Google Chrome (CVE-2026-13908)
CVE-2026-13911 Vulnerability in Google Chrome (CVE-2026-13911)
CVE-2026-13926 Vulnerability in Google Chrome (CVE-2026-13926)
CVE-2026-13927 Vulnerability in Google Chrome (CVE-2026-13927)
CVE-2026-13934 Vulnerability in Google Chrome (CVE-2026-13934)
CVE-2026-13942 Vulnerability in Google Chrome (CVE-2026-13942)
CVE-2026-13939 Vulnerability in Google Chrome (CVE-2026-13939)
CVE-2026-13929 Vulnerability in Google Chrome (CVE-2026-13929)
CVE-2026-13877 Vulnerability in Google Chrome (CVE-2026-13877)
CVE-2026-13893 Vulnerability in Google Chrome (CVE-2026-13893)
CVE-2026-13875 Vulnerability in Google Chrome (CVE-2026-13875)
CVE-2026-13900 Vulnerability in Google Chrome (CVE-2026-13900)
CVE-2026-13901 Vulnerability in Google Chrome (CVE-2026-13901)
CVE-2026-13872 Vulnerability in Google Chrome (CVE-2026-13872)
CVE-2026-13889 Vulnerability in Google Chrome (CVE-2026-13889)
CVE-2026-13891 Vulnerability in Google Chrome (CVE-2026-13891)
CVE-2026-13849 Vulnerability in Google Chrome (CVE-2026-13849)
CVE-2026-13865 Vulnerability in Google Chrome (CVE-2026-13865)
CVE-2026-13850 Vulnerability in Google Chrome (CVE-2026-13850)
CVE-2026-13834 Vulnerability in Google Chrome (CVE-2026-13834)
CVE-2026-13843 Vulnerability in Google Chrome (CVE-2026-13843)
CVE-2026-13847 Vulnerability in Google Chrome (CVE-2026-13847)

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