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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-2026-16139 Vulnerability in CVE-2026-16139 (CVE-2026-16139)
CVE-2026-22072 Vulnerability in CVE-2026-22072 (CVE-2026-22072)
CVE-2026-12128 Vulnerability in wordpress (CVE-2026-12128)
CVE-2026-73845 Vulnerability in CVE-2026-73845 (CVE-2026-73845)
CVE-2026-19826 A vulnerability was detected in alldatacenter alldata up to 0.6.8. This affects the function...
CVE-2026-73658 Vulnerability in CVE-2026-73658 (CVE-2026-73658)
CVE-2026-59109 Vulnerability in sqli (CVE-2026-59109)
CVE-2026-49827 Vulnerability in CVE-2026-49827 (CVE-2026-49827)
CVE-2026-19503 Vulnerability in CVE-2026-19503 (CVE-2026-19503)
CVE-2026-69106 Vulnerability in CVE-2026-69106 (CVE-2026-69106)
CVE-2026-17109 Vulnerability in ibm (CVE-2026-17109)
CVE-2026-59134 Vulnerability in microsoft (CVE-2026-59134)
CVE-2026-48436 Vulnerability in adobe (CVE-2026-48436)
CVE-2026-48384 Vulnerability in adobe (CVE-2026-48384)
CVE-2026-27765 Vulnerability in dos (CVE-2026-27765)
CVE-2026-20913 Vulnerability in CVE-2026-20913 (CVE-2026-20913)
CVE-2026-21273 Vulnerability in privilege-escalation (CVE-2026-21273)
CVE-2026-21279 Vulnerability in adobe (CVE-2026-21279)
CVE-2026-20715 Vulnerability in dos (CVE-2026-20715)
CVE-2026-20901 Vulnerability in intel (CVE-2026-20901)
CVE-2026-71390 Vulnerability in adobe (CVE-2026-71390)
CVE-2026-70325 Vulnerability in microsoft (CVE-2026-70325)
CVE-2026-70323 Vulnerability in microsoft (CVE-2026-70323)
CVE-2026-70320 Vulnerability in microsoft (CVE-2026-70320)
CVE-2026-70322 Vulnerability in microsoft (CVE-2026-70322)
CVE-2026-70318 Vulnerability in microsoft (CVE-2026-70318)
CVE-2026-70319 Vulnerability in microsoft (CVE-2026-70319)
CVE-2026-70316 Vulnerability in microsoft (CVE-2026-70316)
CVE-2026-70314 Vulnerability in microsoft (CVE-2026-70314)
CVE-2026-70313 Vulnerability in microsoft (CVE-2026-70313)

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