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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-2026-43725 Vulnerability in apple (CVE-2026-43725)
CVE-2026-43708 Vulnerability in apple (CVE-2026-43708)
CVE-2026-39868 Vulnerability in apple (CVE-2026-39868)
CVE-2026-38639 Vulnerability in dos (CVE-2026-38639)
CVE-2026-52780 Vulnerability in CVE-2026-52780 (CVE-2026-52780)
CVE-2026-13434 Vulnerability in kubevirt (CVE-2026-13434)
CVE-2026-42388 Incomplete validation of the SOA record present in a catalog zone might lead to a crash.
CVE-2026-42390 Vulnerability in CVE-2026-42390 (CVE-2026-42390)
CVE-2026-42389 Vulnerability in CVE-2026-42389 (CVE-2026-42389)
CVE-2026-42387 Vulnerability in CVE-2026-42387 (CVE-2026-42387)
CVE-2026-12246 Vulnerability in nlnetlabs (CVE-2026-12246)
CVE-2026-13024 Vulnerability in google (CVE-2026-13024)
CVE-2026-13025 Vulnerability in google (CVE-2026-13025)
CVE-2026-48720 Vulnerability in CVE-2026-48720 (CVE-2026-48720)
CVE-2026-48704 Vulnerability in CVE-2026-48704 (CVE-2026-48704)
CVE-2026-12537 Vulnerability in google (CVE-2026-12537)
CVE-2026-13006 Vulnerability in CVE-2026-13006 (CVE-2026-13006)
CVE-2026-54588 Vulnerability in CVE-2026-54588 (CVE-2026-54588)
CVE-2026-56762 Vulnerability in CVE-2026-56762 (CVE-2026-56762)
CVE-2026-10651 Vulnerability in c (CVE-2026-10651)
CVE-2026-52801 Vulnerability in gogs.io/gogs (CVE-2026-52801)
CVE-2026-56306 Vulnerability in CVE-2026-56306 (CVE-2026-56306)
CVE-2025-64719 Vulnerability in gogs.io/gogs (CVE-2025-64719)
CVE-2026-7165 Vulnerability in dos (CVE-2026-7165)
CVE-2026-12787 Vulnerability in deserialization (CVE-2026-12787)
CVE-2026-56340 Vulnerability in dos (CVE-2026-56340)
CVE-2026-56325 Vulnerability in CVE-2026-56325 (CVE-2026-56325)
CVE-2026-56228 Vulnerability in dos (CVE-2026-56228)
CVE-2026-54911 Vulnerability in ujson (CVE-2026-54911)
CVE-2026-48774 Vulnerability in CVE-2026-48774 (CVE-2026-48774)

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