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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 2,280

ID Title
CVE-2026-50144 Vulnerability in CVE-2026-50144 (CVE-2026-50144)
CVE-2026-14961 Vulnerability in privilege-escalation (CVE-2026-14961)
CVE-2026-20153 Vulnerability in cisco (CVE-2026-20153)
CVE-2026-61427 Vulnerability in CVE-2026-61427 (CVE-2026-61427)
CVE-2026-56349 Vulnerability in CVE-2026-56349 (CVE-2026-56349)
CVE-2026-56398 Vulnerability in openwebui (CVE-2026-56398)
CVE-2026-48351 Vulnerability in adobe (CVE-2026-48351)
CVE-2026-48352 Vulnerability in adobe (CVE-2026-48352)
CVE-2026-48353 Vulnerability in adobe (CVE-2026-48353)
CVE-2026-48302 Vulnerability in adobe (CVE-2026-48302)
CVE-2026-48312 Vulnerability in adobe (CVE-2026-48312)
CVE-2026-48334 Vulnerability in adobe (CVE-2026-48334)
CVE-2026-15769 Vulnerability in google (CVE-2026-15769)
CVE-2026-15778 Vulnerability in google (CVE-2026-15778)
CVE-2026-13001 Vulnerability in wordpress (CVE-2026-13001)
CVE-2026-48328 Vulnerability in adobe (CVE-2026-48328)
CVE-2026-48284 Vulnerability in adobe (CVE-2026-48284)
CVE-2026-48308 Vulnerability in adobe (CVE-2026-48308)
CVE-2026-47470 Vulnerability in dos (CVE-2026-47470)
CVE-2026-15771 Vulnerability in google (CVE-2026-15771)
CVE-2026-50417 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-50370 Vulnerability in microsoft (CVE-2026-50370)
CVE-2026-50328 Vulnerability in microsoft (CVE-2026-50328)
CVE-2026-15757 Vulnerability in CVE-2026-15757 (CVE-2026-15757)
CVE-2026-62659 Vulnerability in CVE-2026-62659 (CVE-2026-62659)
CVE-2026-62658 Vulnerability in CVE-2026-62658 (CVE-2026-62658)
CVE-2026-62656 Vulnerability in CVE-2026-62656 (CVE-2026-62656)
CVE-2026-55124 Vulnerability in microsoft (CVE-2026-55124)
CVE-2026-50670 Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-55899 Vulnerability in microsoft (CVE-2026-55899)

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