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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 2,859

Image ID Title
CVE-2026-21282 Vulnerability in Adobe Commerce (CVE-2026-21282)
CVE-2026-20020 Vulnerability in Cisco Secure Firewall ASA Software (CVE-2026-20020)
CVE-2026-2590 Vulnerability in Devolutions Remote Desktop Manager (CVE-2026-2590)
CVE-2026-0014 Vulnerability in Google (CVE-2026-0014)
CVE-2026-2880 Vulnerability in @fastify/middie (CVE-2026-2880)
CVE-2026-27959 Vulnerability in Koajs (CVE-2026-27959)
CVE-2026-27623 Vulnerability in valkey (CVE-2026-27623)
CVE-2026-24734 Vulnerability in Apache Tomcat (CVE-2026-24734)
CVE-2026-20627 Vulnerability in Apple Ipados (CVE-2026-20627)
CVE-2026-21229 Vulnerability in Power BI (CVE-2026-21229)
CVE-2025-12131 Vulnerability in truncated (CVE-2025-12131)
CVE-2024-4027 Vulnerability in Undertow (CVE-2024-4027)
CVE-2026-0976 Vulnerability in Keycloak (CVE-2026-0976)
CVE-2025-65397 Vulnerability in Blurams (CVE-2025-65397)
CVE-2026-21271 Vulnerability in Adobe macOS (CVE-2026-21271)
CVE-2026-21268 Vulnerability in Adobe macOS (CVE-2026-21268)
CVE-2026-21272 Vulnerability in Adobe macOS (CVE-2026-21272)
CVE-2026-20856 Vulnerability in Windows Server Update Service (CVE-2026-20856)
CVE-2026-20812 Vulnerability in Microsoft Windows 10 1607 (CVE-2026-20812)
CVE-2026-0878 Vulnerability in Mozilla Firefox (CVE-2026-0878)
CVE-2025-12543 Vulnerability in Undertow HTTP server core (CVE-2025-12543)
CVE-2025-61916 Vulnerability in Spinnaker (CVE-2025-61916)
CVE-2025-15453 Vulnerability in milvus (CVE-2025-15453)
CVE-2025-15438 Vulnerability in PluXml (CVE-2025-15438)
CVE-2025-69288 Vulnerability in Titra (CVE-2025-69288)
CVE-2025-15246 Vulnerability in aizuda snail-job (CVE-2025-15246)
CVE-2025-15358 Vulnerability in DVP-12SE11T (CVE-2025-15358)
CVE-2025-15222 Vulnerability in Dromara Sa-Token (CVE-2025-15222)
CVE-2025-15284 Vulnerability in qs (CVE-2025-15284)
CVE-2025-69205 Micro Registration Utility (µURU) is a telephone self registration utility based on asterisk. In versions up to and…

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