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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 1,690

ID Title
CVE-2026-41042 Vulnerability in apache (CVE-2026-41042)
CVE-2026-54234 Vulnerability in dos (CVE-2026-54234)
CVE-2026-48316 Vulnerability in CVE-2026-48316 (CVE-2026-48316)
CVE-2026-46588 Vulnerability in apache (CVE-2026-46588)
CVE-2026-46587 Vulnerability in apache (CVE-2026-46587)
CVE-2026-49042 Vulnerability in apache (CVE-2026-49042)
CVE-2026-55993 Vulnerability in apache (CVE-2026-55993)
CVE-2026-48205 Vulnerability in apache (CVE-2026-48205)
CVE-2026-49098 Vulnerability in c (CVE-2026-49098)
CVE-2026-49086 Vulnerability in apache (CVE-2026-49086)
CVE-2026-56140 Vulnerability in apache (CVE-2026-56140)
CVE-2026-48206 Vulnerability in apache (CVE-2026-48206)
CVE-2026-55994 Vulnerability in apache (CVE-2026-55994)
CVE-2026-49097 Vulnerability in apache (CVE-2026-49097)
CVE-2026-46592 Vulnerability in apache (CVE-2026-46592)
CVE-2026-46584 Vulnerability in apache (CVE-2026-46584)
CVE-2026-46585 Vulnerability in apache (CVE-2026-46585)
CVE-2026-46456 Vulnerability in apache (CVE-2026-46456)
CVE-2026-48203 Vulnerability in apache (CVE-2026-48203)
CVE-2026-46726 Vulnerability in apache (CVE-2026-46726)
CVE-2026-48204 Vulnerability in apache (CVE-2026-48204)
CVE-2026-46454 Vulnerability in apache (CVE-2026-46454)
CVE-2026-46453 Vulnerability in apache (CVE-2026-46453)
CVE-2026-46457 Vulnerability in apache (CVE-2026-46457)
CVE-2026-59509 Vulnerability in CVE-2026-59509 (CVE-2026-59509)
CVE-2026-14723 Vulnerability in deserialization (CVE-2026-14723)
CVE-2026-14637 Vulnerability in deserialization (CVE-2026-14637)
CVE-2026-58292 Vulnerability in microsoft (CVE-2026-58292)
CVE-2026-57985 Vulnerability in microsoft (CVE-2026-57985)
CVE-2026-22547 Vulnerability in CVE-2026-22547 (CVE-2026-22547)

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