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 tags

🛡 Vulnerabilities tagged with this 1,691

ID Title
CVE-2026-3644 Vulnerability in CVE-2026-3644 (CVE-2026-3644)
CVE-2025-13462 Vulnerability in CVE-2025-13462 (CVE-2025-13462)
CVE-2026-30901 Vulnerability in zoom (CVE-2026-30901)
CVE-2026-2590 Vulnerability in devolutions (CVE-2026-2590)
CVE-2026-2880 Vulnerability in fastify (CVE-2026-2880)
CVE-2026-27959 Vulnerability in koajs (CVE-2026-27959)
CVE-2026-27623 Vulnerability in lfprojects (CVE-2026-27623)
CVE-2026-24734 Vulnerability in apache (CVE-2026-24734)
CVE-2024-4027 Vulnerability in dos (CVE-2024-4027)
CVE-2025-65397 Vulnerability in blurams (CVE-2025-65397)
CVE-2026-0878 Vulnerability in mozilla (CVE-2026-0878)
CVE-2025-12543 Vulnerability in redhat (CVE-2025-12543)
CVE-2025-20393 KEV [KEV] Vulnerability in Cisco multiple-products (CVE-2025-20393)
CVE-2025-64666 Vulnerability in microsoft (CVE-2025-64666)
CVE-2025-48612 Vulnerability in google (CVE-2025-48612)
CVE-2025-63397 Vulnerability in oneflow (CVE-2025-63397)
CVE-2025-54236 KEV [KEV] Vulnerability in Adobe commerce (CVE-2025-54236)
CVE-2025-59248 Vulnerability in microsoft (CVE-2025-59248)
CVE-2025-60787 Vulnerability in motioneye-project (CVE-2025-60787)
CVE-2025-11226 Vulnerability in spring (CVE-2025-11226)
CVE-2025-50674 Vulnerability in openmediavault (CVE-2025-50674)
CVE-2025-25005 Vulnerability in microsoft (CVE-2025-25005)
CVE-2025-50492 Vulnerability in phpgurukul (CVE-2025-50492)
CVE-2025-50489 Vulnerability in phpgurukul (CVE-2025-50489)
CVE-2025-50494 Vulnerability in phpgurukul (CVE-2025-50494)
CVE-2025-50493 Vulnerability in phpgurukul (CVE-2025-50493)
CVE-2025-50490 Vulnerability in phpgurukul (CVE-2025-50490)
CVE-2025-6558 KEV [KEV] Vulnerability in Google chromium (CVE-2025-6558)
CVE-2025-53471 Vulnerability in CVE-2025-53471 (CVE-2025-53471)
CVE-2025-44526 Vulnerability in dos (CVE-2025-44526)

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