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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 2,283

ID Title
CVE-2017-2378 Vulnerability in apple (CVE-2017-2378)
CVE-2017-7394 Vulnerability in tigervnc (CVE-2017-7394)
CVE-2016-6560 Vulnerability in illumos (CVE-2016-6560)
CVE-2017-7346 Vulnerability in c (CVE-2017-7346)
CVE-2017-5185 Vulnerability in dos (CVE-2017-5185)
CVE-2014-9805 Vulnerability in dos (CVE-2014-9805)
CVE-2014-9806 Vulnerability in dos (CVE-2014-9806)
CVE-2014-9808 Vulnerability in dos (CVE-2014-9808)
CVE-2014-9809 Vulnerability in dos (CVE-2014-9809)
CVE-2014-9810 Vulnerability in dos (CVE-2014-9810)
CVE-2014-9811 Vulnerability in dos (CVE-2014-9811)
CVE-2014-9813 Vulnerability in dos (CVE-2014-9813)
CVE-2014-9815 Vulnerability in dos (CVE-2014-9815)
CVE-2017-5226 Vulnerability in projectatomic (CVE-2017-5226)
CVE-2017-7301 Vulnerability in gnu (CVE-2017-7301)
CVE-2009-5147 Vulnerability in ruby-lang (CVE-2009-5147)
CVE-2015-4556 Vulnerability in dos (CVE-2015-4556)
CVE-2017-6463 Vulnerability in dos (CVE-2017-6463)
CVE-2017-6464 Vulnerability in dos (CVE-2017-6464)
CVE-2017-7183 Vulnerability in dos (CVE-2017-7183)
CVE-2017-5932 Vulnerability in gnu (CVE-2017-5932)
CVE-2017-7262 Vulnerability in dos (CVE-2017-7262)
CVE-2017-7261 Vulnerability in c (CVE-2017-7261)
CVE-2016-6206 Vulnerability in dos (CVE-2016-6206)
CVE-2015-8678 Vulnerability in dos (CVE-2015-8678)
CVE-2016-9390 Vulnerability in c (CVE-2016-9390)
CVE-2016-9394 Vulnerability in c (CVE-2016-9394)
CVE-2016-9395 Vulnerability in c (CVE-2016-9395)
CVE-2016-5755 Vulnerability in netiq (CVE-2016-5755)
CVE-2016-9168 Vulnerability in novell (CVE-2016-9168)

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