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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 128

ID Title
CVE-2026-42301 Vulnerability in CVE-2026-42301 (CVE-2026-42301)
CVE-2026-29202 Vulnerability in CVE-2026-29202 (CVE-2026-29202)
CVE-2026-29201 Vulnerability in CVE-2026-29201 (CVE-2026-29201)
CVE-2026-44336 Vulnerability in praison (CVE-2026-44336)
CVE-2026-44337 Vulnerability in praison (CVE-2026-44337)
CVE-2026-43944 Vulnerability in electerm (CVE-2026-43944)
CVE-2026-42261 Vulnerability in ssrf (CVE-2026-42261)
CVE-2026-33844 Vulnerability in apache (CVE-2026-33844)
CVE-2026-6973 KEV [KEV] Vulnerability in Ivanti endpoint-manager-mobile-epmm (CVE-2026-6973)
CVE-2026-7989 Vulnerability in google (CVE-2026-7989)
CVE-2026-7916 Vulnerability in google (CVE-2026-7916)
CVE-2026-43117 Vulnerability in linux (CVE-2026-43117)
CVE-2026-34197 KEV [KEV] Vulnerability in Apache activemq (CVE-2026-34197)
CVE-2026-32201 KEV [KEV] Vulnerability in Microsoft sharepoint-server (CVE-2026-32201)
CVE-2012-1854 KEV [KEV] Vulnerability in Microsoft visual-basic-for-applications-vba (CVE-2012-1854)
CVE-2025-20393 KEV [KEV] Vulnerability in Cisco multiple-products (CVE-2025-20393)
CVE-2025-54236 KEV [KEV] Vulnerability in Adobe commerce (CVE-2025-54236)
CVE-2025-6558 KEV [KEV] Vulnerability in Google chromium (CVE-2025-6558)
CVE-2024-21413 KEV [KEV] Vulnerability in Microsoft office-outlook (CVE-2024-21413)
CVE-2016-3714 KEV [KEV] Vulnerability in imagemagick (CVE-2016-3714)
CVE-2024-38189 KEV [KEV] Vulnerability in Microsoft project (CVE-2024-38189)
CVE-2024-30040 KEV [KEV] Vulnerability in Microsoft windows (CVE-2024-30040)
CVE-2024-3400 KEV [KEV] Vulnerability in Palo alto networks palo-alto-networks (CVE-2024-3400)
CVE-2023-41266 KEV [KEV] Vulnerability in Qlik sense (CVE-2023-41266)
CVE-2023-36563 KEV [KEV] Vulnerability in Microsoft wordpad (CVE-2023-36563)
CVE-2014-8361 KEV [KEV] Vulnerability in Realtek sdk (CVE-2014-8361)
CVE-2021-25489 KEV [KEV] Vulnerability in Samsung mobile-devices (CVE-2021-25489)
CVE-2023-2868 KEV [KEV] Vulnerability in Barracuda networks barracuda-networks (CVE-2023-2868)
CVE-2010-3904 KEV [KEV] Vulnerability in Linux kernel (CVE-2010-3904)
CVE-2021-30900 KEV [KEV] Vulnerability in Apple ios (CVE-2021-30900)

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