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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-2026-59881 Vulnerability in aiohttp (CVE-2026-59881)
CVE-2026-18014 Vulnerability in google (CVE-2026-18014)
CVE-2026-18009 Vulnerability in google (CVE-2026-18009)
CVE-2026-18002 Vulnerability in google (CVE-2026-18002)
CVE-2026-17988 Vulnerability in google (CVE-2026-17988)
CVE-2026-17990 Vulnerability in google (CVE-2026-17990)
CVE-2026-17987 Vulnerability in google (CVE-2026-17987)
CVE-2026-17991 Vulnerability in google (CVE-2026-17991)
CVE-2026-17982 Vulnerability in google (CVE-2026-17982)
CVE-2026-17970 Vulnerability in google (CVE-2026-17970)
CVE-2026-17955 Vulnerability in google (CVE-2026-17955)
CVE-2026-17940 Vulnerability in google (CVE-2026-17940)
CVE-2026-17939 Vulnerability in google (CVE-2026-17939)
CVE-2026-17937 Vulnerability in google (CVE-2026-17937)
CVE-2026-17929 Vulnerability in google (CVE-2026-17929)
CVE-2026-17930 Vulnerability in privilege-escalation (CVE-2026-17930)
CVE-2026-17934 Vulnerability in google (CVE-2026-17934)
CVE-2026-17921 Vulnerability in google (CVE-2026-17921)
CVE-2026-17926 Vulnerability in google (CVE-2026-17926)
CVE-2026-17909 Vulnerability in google (CVE-2026-17909)
CVE-2026-17908 Vulnerability in google (CVE-2026-17908)
CVE-2026-17901 Vulnerability in google (CVE-2026-17901)
CVE-2026-17906 Vulnerability in google (CVE-2026-17906)
CVE-2026-17893 Vulnerability in google (CVE-2026-17893)
CVE-2026-17888 Vulnerability in google (CVE-2026-17888)
CVE-2026-17890 Vulnerability in google (CVE-2026-17890)
CVE-2026-17867 Vulnerability in google (CVE-2026-17867)
CVE-2026-17870 Vulnerability in google (CVE-2026-17870)
CVE-2026-17860 Vulnerability in c (CVE-2026-17860)
CVE-2026-17861 Vulnerability in privilege-escalation (CVE-2026-17861)

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