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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-2026-47928 Vulnerability in adobe (CVE-2026-47928)
CVE-2026-47909 Vulnerability in adobe (CVE-2026-47909)
CVE-2026-44811 Vulnerability in microsoft (CVE-2026-44811)
CVE-2026-40376 Vulnerability in microsoft (CVE-2026-40376)
CVE-2026-0410 Vulnerability in netgear (CVE-2026-0410)
CVE-2026-0419 Vulnerability in netgear (CVE-2026-0419)
CVE-2026-0412 Vulnerability in netgear (CVE-2026-0412)
CVE-2026-0417 Vulnerability in netgear (CVE-2026-0417)
CVE-2026-0416 Vulnerability in netgear (CVE-2026-0416)
CVE-2026-0415 Vulnerability in netgear (CVE-2026-0415)
CVE-2026-9212 Vulnerability in c (CVE-2026-9212)
CVE-2026-9210 Vulnerability in netgear (CVE-2026-9210)
CVE-2026-9211 Vulnerability in netgear (CVE-2026-9211)
CVE-2026-9213 Vulnerability in netgear (CVE-2026-9213)
CVE-2026-49475 Vulnerability in freeswitch (CVE-2026-49475)
CVE-2026-49840 Vulnerability in freeswitch (CVE-2026-49840)
CVE-2026-48569 Vulnerability in microsoft (CVE-2026-48569)
CVE-2026-48288 Vulnerability in adobe (CVE-2026-48288)
CVE-2026-48289 Vulnerability in adobe (CVE-2026-48289)
CVE-2026-47641 Vulnerability in microsoft (CVE-2026-47641)
CVE-2026-45642 Vulnerability in microsoft (CVE-2026-45642)
CVE-2026-45636 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-11701 Vulnerability in google (CVE-2026-11701)
CVE-2026-11697 Vulnerability in google (CVE-2026-11697)
CVE-2026-11691 Vulnerability in c (CVE-2026-11691)
CVE-2026-11689 Vulnerability in google (CVE-2026-11689)
CVE-2026-11686 Vulnerability in google (CVE-2026-11686)
CVE-2026-11685 Vulnerability in google (CVE-2026-11685)
CVE-2026-11682 Vulnerability in google (CVE-2026-11682)
CVE-2026-11676 Vulnerability in google (CVE-2026-11676)

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