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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-2026-13939 Vulnerability in google (CVE-2026-13939)
CVE-2026-13942 Vulnerability in google (CVE-2026-13942)
CVE-2026-13934 Vulnerability in google (CVE-2026-13934)
CVE-2026-13927 Vulnerability in privilege-escalation (CVE-2026-13927)
CVE-2026-13926 Vulnerability in google (CVE-2026-13926)
CVE-2026-13925 Vulnerability in google (CVE-2026-13925)
CVE-2026-13920 Vulnerability in google (CVE-2026-13920)
CVE-2026-13917 Vulnerability in google (CVE-2026-13917)
CVE-2026-13908 Vulnerability in google (CVE-2026-13908)
CVE-2026-13911 Vulnerability in google (CVE-2026-13911)
CVE-2026-13924 Vulnerability in google (CVE-2026-13924)
CVE-2026-13928 Vulnerability in privilege-escalation (CVE-2026-13928)
CVE-2026-13921 Vulnerability in google (CVE-2026-13921)
CVE-2026-13889 Vulnerability in google (CVE-2026-13889)
CVE-2026-13872 Vulnerability in google (CVE-2026-13872)
CVE-2026-13901 Vulnerability in google (CVE-2026-13901)
CVE-2026-13900 Vulnerability in google (CVE-2026-13900)
CVE-2026-13875 Vulnerability in google (CVE-2026-13875)
CVE-2026-13893 Vulnerability in google (CVE-2026-13893)
CVE-2026-13877 Vulnerability in google (CVE-2026-13877)
CVE-2026-13891 Vulnerability in privilege-escalation (CVE-2026-13891)
CVE-2026-13863 Vulnerability in privilege-escalation (CVE-2026-13863)
CVE-2026-13852 Vulnerability in google (CVE-2026-13852)
CVE-2026-13847 Vulnerability in google (CVE-2026-13847)
CVE-2026-13843 Vulnerability in google (CVE-2026-13843)
CVE-2026-13834 Vulnerability in google (CVE-2026-13834)
CVE-2026-13850 Vulnerability in c (CVE-2026-13850)
CVE-2026-13865 Vulnerability in google (CVE-2026-13865)
CVE-2026-13849 Vulnerability in google (CVE-2026-13849)
CVE-2026-13851 Vulnerability in google (CVE-2026-13851)

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