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 tags

🛡 Vulnerabilities tagged with this 2,283

ID Title
CVE-2017-14230 Vulnerability in c (CVE-2017-14230)
CVE-2017-14231 Vulnerability in dos (CVE-2017-14231)
CVE-2016-5759 Vulnerability in novell (CVE-2016-5759)
CVE-2017-12217 Vulnerability in dos (CVE-2017-12217)
CVE-2017-12218 Vulnerability in cisco (CVE-2017-12218)
CVE-2017-12223 Vulnerability in cisco (CVE-2017-12223)
CVE-2017-6792 Vulnerability in cisco (CVE-2017-6792)
CVE-2017-6794 Vulnerability in cisco (CVE-2017-6794)
CVE-2017-6795 Vulnerability in cisco (CVE-2017-6795)
CVE-2017-14169 Vulnerability in c (CVE-2017-14169)
CVE-2015-0853 Vulnerability in pysvn-project (CVE-2015-0853)
CVE-2015-5186 Audit before 2.4.4 in Linux does not sanitize escape characters in filenames.
CVE-2017-14098 Vulnerability in digium (CVE-2017-14098)
CVE-2017-12874 Vulnerability in simplesamlphp (CVE-2017-12874)
CVE-2017-14105 Vulnerability in tomcat (CVE-2017-14105)
CVE-2017-12869 Vulnerability in simplesamlphp (CVE-2017-12869)
CVE-2017-3898 Vulnerability in mcafee (CVE-2017-3898)
CVE-2017-0900 Vulnerability in dos (CVE-2017-0900)
CVE-2017-0901 Path Traversal in rubygems (CVE-2017-0901)
CVE-2017-14063 Vulnerability in csharp (CVE-2017-14063)
CVE-2017-9945 Vulnerability in siemens (CVE-2017-9945)
CVE-2016-4462 Vulnerability in apache (CVE-2016-4462)
CVE-2017-13767 Vulnerability in c (CVE-2017-13767)
CVE-2017-1428 Vulnerability in ibm (CVE-2017-1428)
CVE-2016-10503 Vulnerability in ibm (CVE-2016-10503)
CVE-2016-2977 Vulnerability in ibm (CVE-2016-2977)
CVE-2015-5209 Vulnerability in apache (CVE-2015-5209)
CVE-2017-12775 Vulnerability in question2answer (CVE-2017-12775)
CVE-2017-10952 Vulnerability in foxitsoftware (CVE-2017-10952)
CVE-2017-13685 Vulnerability in dos (CVE-2017-13685)

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