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Cwe 20

🧬 CWE Related 2,857
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 798692 Cwe 894154 Cwe 8624040 Cwe 2844030 Cwe 4163898 Cwe 1193185 Cwe 2003145 Cwe 1253116 Cwe 222773 Cwe 7872520 Cwe 782028 Cwe 941871 Cwe 8631869 Cwe 1221801 Cwe 741796

🛡 Vulnerabilities tagged with this 2,859

Image ID Title
CVE-2026-44343 Vulnerability in WGDashboard (CVE-2026-44343)
CVE-2026-44204 Vulnerability in Shelf (CVE-2026-44204)
CVE-2026-35433 Vulnerability in Microsoft.WindowsDesktop.App.Runtime.win-arm64 (CVE-2026-35433)
CVE-2026-32177 Vulnerability in Microsoft Net Framework (CVE-2026-32177)
CVE-2026-43989 Vulnerability in JunoClaw (CVE-2026-43989)
CVE-2026-20905 Vulnerability in Intel Quickassist Technology (CVE-2026-20905)
CVE-2026-20717 Vulnerability in Intel Quickassist Technology (CVE-2026-20717)
CVE-2025-35990 Vulnerability in Intel Endpoint Management Assistant (CVE-2025-35990)
CVE-2026-41293 Vulnerability in tomcat (CVE-2026-41293)
CVE-2026-44294 Vulnerability in protobufjs (CVE-2026-44294)
CVE-2026-8391 Vulnerability in Mozilla Firefox (CVE-2026-8391)
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 DeepChat (CVE-2026-43899)
CVE-2026-28917 Vulnerability in Apple Ipados (CVE-2026-28917)
CVE-2026-28936 Vulnerability in Apple Ipados (CVE-2026-28936)
CVE-2026-28907 Vulnerability in Apple Ipados (CVE-2026-28907)
CVE-2026-28860 Vulnerability in Apple Ipados (CVE-2026-28860)
CVE-2026-39850 Vulnerability in yiisoft/yii2 (CVE-2026-39850)
CVE-2026-31251 CosyVoice thru commit 6e01309e01bc93bbeb83bdd996b1182a81aaf11e (2025-30-21) contains an insecure...
CVE-2026-44658 Vulnerability in Zen (CVE-2026-44658)
CVE-2026-43895 Vulnerability in Jqlang (CVE-2026-43895)
CVE-2026-42613 Vulnerability in getgrav/grav (CVE-2026-42613)
CVE-2026-34086 Vulnerability in AbuseFilter (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 Insufficient input validation of the `plugin` parameter of the `create_user` plugin allows...
CVE-2026-29201 Insufficient input validation of the feature file name in `feature::LOADFEATUREFILE` adminbin...

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