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Cwe 20

🧬 CWE Related 2,857
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 798692 Cwe 894154 Cwe 8624040 Cwe 2844030 Cwe 4163898 Cwe 1193185 Cwe 2003145 Cwe 1253116 Cwe 222773 Cwe 7872520 Cwe 782028 Cwe 941871 Cwe 8631869 Cwe 1221801 Cwe 741796

🛡 Vulnerabilities tagged with this 2,858

Image ID Title
CVE-2026-54206 Vulnerability in Tobit Laboratories AG TeamDavid (CVE-2026-54206)
CVE-2026-54205 Vulnerability in Tobit Laboratories AG TeamDavid (CVE-2026-54205)
CVE-2026-54199 Vulnerability in Tobit Laboratories AG TeamDavid (CVE-2026-54199)
CVE-2026-19177 Vulnerability in Google Chrome (CVE-2026-19177)
CVE-2026-19169 Vulnerability in Google Chrome (CVE-2026-19169)
CVE-2026-19164 Vulnerability in Google Chrome (CVE-2026-19164)
CVE-2026-19153 Vulnerability in Google Chrome (CVE-2026-19153)
CVE-2026-19143 Vulnerability in Google Chrome (CVE-2026-19143)
CVE-2026-15149 Vulnerability in WP Hotel Booking (WordPress plugin) (CVE-2026-15149)
CVE-2026-14225 Vulnerability in Easy Appointments (WordPress plugin) (CVE-2026-14225)
CVE-2024-6541 Vulnerability in Class Mediator (CVE-2024-6541)
CVE-2026-16316 Vulnerability in OMICRON StationGuard (CVE-2026-16316)
CVE-2026-57817 Vulnerability in Apache (CVE-2026-57817)
CVE-2025-13909 Vulnerability in Wso2 Identity Server (CVE-2025-13909)
CVE-2024-10302 Vulnerability in Wso2 Api Control Plane (CVE-2024-10302)
CVE-2026-71318 Vulnerability in nuxt (CVE-2026-71318)
CVE-2026-20303 Vulnerability in Cisco (CVE-2026-20303)
CVE-2026-20273 Vulnerability in Cisco Ios Xe (CVE-2026-20273)
CVE-2026-70607 Vulnerability in electron (CVE-2026-70607)
CVE-2026-70603 Vulnerability in electron (CVE-2026-70603)
CVE-2026-46334 Vulnerability in OpenSIPS (CVE-2026-46334)
CVE-2026-70589 Vulnerability in ghost (CVE-2026-70589)
CVE-2026-16793 An improper neutralization of special elements used in an operating system command vulnerability...
CVE-2026-18801 Vulnerability in OpenMeter (CVE-2026-18801)
CVE-2026-18772 Vulnerability in Samsung Open Source rlottie (CVE-2026-18772)
CVE-2026-11835 Time-of-check time-of-use (TOCTOU) vulnerability combined with missing input validation in Caliptra Core ROM…
CVE-2026-67978 Vulnerability in NASA cFS (CVE-2026-67978)
CVE-2026-67974 Vulnerability in NASA cFS (CVE-2026-67974)
CVE-2026-67969 Vulnerability in NASA cFS (CVE-2026-67969)
CVE-2026-69192 Vulnerability in ip-address (CVE-2026-69192)

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