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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 2,283

ID Title
CVE-2026-27299 Vulnerability in adobe (CVE-2026-27299)
CVE-2026-27282 Vulnerability in adobe (CVE-2026-27282)
CVE-2026-27306 Vulnerability in adobe (CVE-2026-27306)
CVE-2026-27304 Vulnerability in adobe (CVE-2026-27304)
CVE-2026-24893 Vulnerability in it-novum (CVE-2026-24893)
CVE-2026-33826 Vulnerability in microsoft (CVE-2026-33826)
CVE-2026-33116 Vulnerability in dotnet-sdk (CVE-2026-33116)
CVE-2026-32203 Vulnerability in System.Security.Cryptography.Xml (CVE-2026-32203)
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-2026-5915 Vulnerability in google (CVE-2026-5915)
CVE-2026-5919 Vulnerability in c (CVE-2026-5919)
CVE-2026-5884 Vulnerability in google (CVE-2026-5884)
CVE-2026-5887 Vulnerability in google (CVE-2026-5887)
CVE-2026-5885 Vulnerability in c (CVE-2026-5885)
CVE-2026-5879 Vulnerability in google (CVE-2026-5879)
CVE-2026-39410 Vulnerability in hono (CVE-2026-39410)
CVE-2025-48651 Vulnerability in google (CVE-2025-48651)
CVE-2025-57834 Vulnerability in dos (CVE-2025-57834)
CVE-2026-5536 Vulnerability in deserialization (CVE-2026-5536)
CVE-2026-34773 Vulnerability in electronjs (CVE-2026-34773)
CVE-2026-34980 Vulnerability in openprinting (CVE-2026-34980)
CVE-2026-28797 Vulnerability in infiniflow (CVE-2026-28797)
CVE-2020-37216 Vulnerability in dos (CVE-2020-37216)
CVE-2026-5473 Vulnerability in deserialization (CVE-2026-5473)
CVE-2026-34760 Vulnerability in vllm (CVE-2026-34760)
CVE-2026-34762 Vulnerability in github.com/ellanetworks/core (CVE-2026-34762)
CVE-2026-35038 Vulnerability in signalk (CVE-2026-35038)
CVE-2026-20097 Vulnerability in cisco (CVE-2026-20097)
CVE-2026-34442 Vulnerability in laravel (CVE-2026-34442)

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