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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-2025-48651 Vulnerability in Android (CVE-2025-48651)
CVE-2025-57834 Vulnerability in Samsung Mobile Processor (CVE-2025-57834)
CVE-2026-5536 Vulnerability in FedML-AI FedML (CVE-2026-5536)
CVE-2026-34773 Vulnerability in Electron (CVE-2026-34773)
CVE-2026-34980 Vulnerability in OpenPrinting CUPS (CVE-2026-34980)
CVE-2026-28797 Vulnerability in RAGFlow (CVE-2026-28797)
CVE-2020-37216 Vulnerability in Hirschmann HiOS devices (CVE-2020-37216)
CVE-2026-5473 Vulnerability in NASA cFS (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 Signal K Server (CVE-2026-35038)
CVE-2026-20097 Vulnerability in Cisco IMC (CVE-2026-20097)
CVE-2026-34442 Vulnerability in Laravel FreeScout (CVE-2026-34442)
CVE-2026-3469 Vulnerability in Sonicwall Email Security (CVE-2026-3469)
CVE-2026-3470 Vulnerability in SonicWall Email Security appliance (CVE-2026-3470)
CVE-2026-34383 Vulnerability in Admidio (CVE-2026-34383)
CVE-2025-14213 Cato Networks’ Socket versions prior to 25 contain a command injection vulnerability that allows an authenticated…
CVE-2026-21712 Vulnerability in Nodejs (CVE-2026-21712)
CVE-2026-33894 Vulnerability in Digitalbazaar (CVE-2026-33894)
CVE-2026-33758 Vulnerability in github.com/openbao/openbao (CVE-2026-33758)
CVE-2025-59032 Vulnerability in Dovecot (CVE-2025-59032)
CVE-2025-59028 Vulnerability in Dovecot (CVE-2025-59028)
CVE-2026-33218 Vulnerability in nats (CVE-2026-33218)
CVE-2026-4438 Vulnerability in Gnu Glibc (CVE-2026-4438)
CVE-2026-4519 The webbrowser.open() API would accept leading dashes in the URL which could be handled as...
CVE-2026-4342 Vulnerability in k8s.io/ingress-nginx (CVE-2026-4342)
CVE-2026-3644 The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The…
CVE-2025-13462 The "tarfile" module would still apply normalization of AREGTYPE (\x00) blocks to DIRTYPE, even while processing a…
CVE-2026-30901 Vulnerability in Kiosk Mode (CVE-2026-30901)
CVE-2026-21310 Vulnerability in Adobe Commerce (CVE-2026-21310)

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