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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-2026-70314 Vulnerability in microsoft (CVE-2026-70314)
CVE-2026-65811 Improper input validation in Power BI allows an authorized attacker to execute code over a network.
CVE-2026-63520 Vulnerability in microsoft (CVE-2026-63520)
CVE-2026-62917 Vulnerability in microsoft (CVE-2026-62917)
CVE-2026-61363 Vulnerability in microsoft (CVE-2026-61363)
CVE-2026-9214 Vulnerability in CVE-2026-9214 (CVE-2026-9214)
CVE-2026-11738 Vulnerability in CVE-2026-11738 (CVE-2026-11738)
CVE-2026-11736 Vulnerability in CVE-2026-11736 (CVE-2026-11736)
CVE-2026-11737 Vulnerability in CVE-2026-11737 (CVE-2026-11737)
CVE-2026-48056 Vulnerability in CVE-2026-48056 (CVE-2026-48056)
CVE-2026-71217 Vulnerability in dos (CVE-2026-71217)
CVE-2026-73158 Vulnerability in CVE-2026-73158 (CVE-2026-73158)
CVE-2026-72867 Vulnerability in CVE-2026-72867 (CVE-2026-72867)
CVE-2026-72728 Vulnerability in CVE-2026-72728 (CVE-2026-72728)
CVE-2026-42537 Vulnerability in apache (CVE-2026-42537)
CVE-2026-40920 Vulnerability in apache (CVE-2026-40920)
CVE-2026-21083 Vulnerability in samsung (CVE-2026-21083)
CVE-2026-21072 Vulnerability in samsung (CVE-2026-21072)
CVE-2026-21071 Vulnerability in samsung (CVE-2026-21071)
CVE-2026-21066 Vulnerability in samsung (CVE-2026-21066)
CVE-2026-21065 Vulnerability in samsung (CVE-2026-21065)
CVE-2026-21070 Vulnerability in samsung (CVE-2026-21070)
CVE-2026-21061 Vulnerability in samsung (CVE-2026-21061)
CVE-2026-21060 Vulnerability in samsung (CVE-2026-21060)
CVE-2026-21058 Vulnerability in samsung (CVE-2026-21058)
CVE-2026-19363 Information Disclosure in deserialization (CVE-2026-19363)
CVE-2026-9031 Vulnerability in CVE-2026-9031 (CVE-2026-9031)
CVE-2026-47662 Vulnerability in CVE-2026-47662 (CVE-2026-47662)
CVE-2026-50540 Vulnerability in CVE-2026-50540 (CVE-2026-50540)
CVE-2026-47664 Vulnerability in CVE-2026-47664 (CVE-2026-47664)

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