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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 1,690

ID Title
CVE-2026-12017 Vulnerability in google (CVE-2026-12017)
CVE-2026-12009 Vulnerability in google (CVE-2026-12009)
CVE-2026-48109 Vulnerability in MessagePack (CVE-2026-48109)
CVE-2026-47181 Vulnerability in CVE-2026-47181 (CVE-2026-47181)
CVE-2026-49982 Vulnerability in tmp (CVE-2026-49982)
CVE-2026-53723 Vulnerability in guzzlehttp/guzzle-services (CVE-2026-53723)
CVE-2026-48998 Vulnerability in guzzlehttp/psr7 (CVE-2026-48998)
CVE-2026-49214 Vulnerability in guzzlehttp/psr7 (CVE-2026-49214)
CVE-2026-53901 Vulnerability in CVE-2026-53901 (CVE-2026-53901)
CVE-2026-49218 Vulnerability in Magick.NET-Q16-AnyCPU (CVE-2026-49218)
CVE-2024-21944 Vulnerability in CVE-2024-21944 (CVE-2024-21944)
CVE-2026-48108 Vulnerability in russh (CVE-2026-48108)
CVE-2026-48110 Vulnerability in russh (CVE-2026-48110)
CVE-2026-46669 Vulnerability in openvm (CVE-2026-46669)
CVE-2026-48107 Vulnerability in russh (CVE-2026-48107)
CVE-2026-20256 Vulnerability in splunk (CVE-2026-20256)
CVE-2026-20257 Vulnerability in splunk (CVE-2026-20257)
CVE-2026-20255 Vulnerability in splunk (CVE-2026-20255)
CVE-2026-20254 Vulnerability in splunk (CVE-2026-20254)
CVE-2026-50569 Vulnerability in CVE-2026-50569 (CVE-2026-50569)
CVE-2026-45565 Vulnerability in nginx (CVE-2026-45565)
CVE-2026-45558 Vulnerability in c (CVE-2026-45558)
CVE-2026-45556 Vulnerability in nginx (CVE-2026-45556)
CVE-2026-45328 Vulnerability in c (CVE-2026-45328)
CVE-2026-45329 ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, several ESP-TEE secure-service wrappers in esp_secure_services.c and esp_secure_services_iram.c vali...
CVE-2026-41727 Vulnerability in apache (CVE-2026-41727)
CVE-2026-47903 Vulnerability in adobe (CVE-2026-47903)
CVE-2026-34712 Vulnerability in adobe (CVE-2026-34712)
CVE-2026-47930 Vulnerability in adobe (CVE-2026-47930)
CVE-2026-47931 Vulnerability in adobe (CVE-2026-47931)

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