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Cwe 20

🧬 CWE Related 125
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 78120 Cwe 787105 Cwe 41699 Cwe 2296 Cwe 11990 Cwe 9484 Cwe 50270 Cwe 7966 Cwe 8954 Cwe 91844 Cwe 28443 Cwe 28741 Cwe 7740 Cwe 30638 Cwe 84337

🛡 Vulnerabilities tagged with this 2,280

ID Title
CVE-2026-17706 Vulnerability in google (CVE-2026-17706)
CVE-2026-17698 Vulnerability in google (CVE-2026-17698)
CVE-2026-17700 Vulnerability in google (CVE-2026-17700)
CVE-2026-17690 Vulnerability in google (CVE-2026-17690)
CVE-2026-17681 Vulnerability in google (CVE-2026-17681)
CVE-2026-17679 Vulnerability in c (CVE-2026-17679)
CVE-2026-17686 Vulnerability in google (CVE-2026-17686)
CVE-2026-17684 Vulnerability in google (CVE-2026-17684)
CVE-2026-17671 Vulnerability in google (CVE-2026-17671)
CVE-2026-17672 Vulnerability in google (CVE-2026-17672)
CVE-2026-17664 Vulnerability in google (CVE-2026-17664)
CVE-2026-17663 Vulnerability in google (CVE-2026-17663)
CVE-2026-17655 Vulnerability in google (CVE-2026-17655)
CVE-2026-17660 Vulnerability in google (CVE-2026-17660)
CVE-2026-17651 Vulnerability in google (CVE-2026-17651)
CVE-2026-67436 Vulnerability in CVE-2026-67436 (CVE-2026-67436)
CVE-2026-54663 Vulnerability in swagger-typescript-api (CVE-2026-54663)
CVE-2026-18174 Vulnerability in fastify (CVE-2026-18174)
CVE-2026-65891 Vulnerability in csharp (CVE-2026-65891)
CVE-2026-58183 Vulnerability in apache (CVE-2026-58183)
CVE-2026-58186 Vulnerability in apache (CVE-2026-58186)
CVE-2026-33267 Vulnerability in apache (CVE-2026-33267)
CVE-2026-62828 Vulnerability in microsoft (CVE-2026-62828)
CVE-2026-62425 Vulnerability in CVE-2026-62425 (CVE-2026-62425)
CVE-2026-59878 Vulnerability in apache (CVE-2026-59878)
CVE-2026-43813 Vulnerability in apple (CVE-2026-43813)
CVE-2026-43777 Vulnerability in dos (CVE-2026-43777)
CVE-2026-43793 Vulnerability in apple (CVE-2026-43793)
CVE-2026-43714 Vulnerability in apple (CVE-2026-43714)
CVE-2026-54272 Vulnerability in ip-address (CVE-2026-54272)

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