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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 1,695

ID Title
CVE-2026-45391 Reserved. Details will be published at disclosure.
CVE-2026-45392 Reserved. Details will be published at disclosure.
CVE-2026-45393 Reserved. Details will be published at disclosure.
CVE-2026-43899 Vulnerability in CVE-2026-43899 (CVE-2026-43899)
CVE-2026-28917 Vulnerability in apple (CVE-2026-28917)
CVE-2026-28936 Vulnerability in apple (CVE-2026-28936)
CVE-2026-28907 Vulnerability in apple (CVE-2026-28907)
CVE-2026-28860 Vulnerability in apple (CVE-2026-28860)
CVE-2026-39850 Vulnerability in yiisoft/yii2 (CVE-2026-39850)
CVE-2026-31251 Vulnerability in deserialization (CVE-2026-31251)
CVE-2026-44658 Vulnerability in CVE-2026-44658 (CVE-2026-44658)
CVE-2026-43895 Vulnerability in c (CVE-2026-43895)
CVE-2026-42613 Vulnerability in getgrav/grav (CVE-2026-42613)
CVE-2026-34086 Vulnerability in CVE-2026-34086 (CVE-2026-34086)
CVE-2026-42301 Vulnerability in pyp2spec (CVE-2026-42301)
CVE-2026-44325 Vulnerability in github.com/free5gc/nrf (CVE-2026-44325)
CVE-2026-44319 Vulnerability in github.com/free5gc/nef (CVE-2026-44319)
CVE-2026-29202 Code Injection 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 PraisonAI (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-2026-7915 Vulnerability in google (CVE-2026-7915)
CVE-2026-43117 Vulnerability in linux (CVE-2026-43117)
CVE-2026-6180 Vulnerability in papercut (CVE-2026-6180)

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