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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-2017-8849 Vulnerability in smb4k (CVE-2017-8849)
CVE-2017-3825 Vulnerability in Cisco TelePresence Collaboration Endpoint (CE) Software (CVE-2017-3825)
CVE-2017-3873 Vulnerability in Cisco Aironet (CVE-2017-3873)
CVE-2014-9933 Vulnerability in Google (CVE-2014-9933)
CVE-2017-7478 Vulnerability in OpenVPN (CVE-2017-7478)
CVE-2017-8933 Vulnerability in Libmenu-cache (CVE-2017-8933)
CVE-2017-8934 Vulnerability in PCManFM (CVE-2017-8934)
CVE-2017-7213 Vulnerability in Zohocorp (CVE-2017-7213)
CVE-2016-4838 Vulnerability in Moneyforward (CVE-2016-4838)
CVE-2017-0613 Vulnerability in Qualcomm Secure Execution Environment Communicator driver (CVE-2017-0613)
CVE-2017-0620 Vulnerability in Qualcomm Secure Channel Manager driver (CVE-2017-0620)
CVE-2017-0280 Vulnerability in Microsoft Server Message Block (CVE-2017-0280)
CVE-2017-0269 Vulnerability in Microsoft Server Message Block (CVE-2017-0269)
CVE-2017-0273 Vulnerability in Microsoft Server Message Block (CVE-2017-0273)
CVE-2017-0249 Vulnerability in Microsoft Aspnet Model View Controller (CVE-2017-0249)
CVE-2017-0256 Vulnerability in Microsoft Aspnet Model View Controller (CVE-2017-0256)
CVE-2017-0247 Vulnerability in Microsoft ASP.NET Core Mvc (CVE-2017-0247)
CVE-2017-0231 Vulnerability in Microsoft Edge (CVE-2017-0231)
CVE-2017-0171 Vulnerability in Microsoft Windows Server 2008 (CVE-2017-0171)
CVE-2017-0212 Vulnerability in Microsoft Windows 10 (CVE-2017-0212)
CVE-2017-5948 Vulnerability in Oneplus (CVE-2017-5948)
CVE-2016-7476 Vulnerability in Big Ip Websafe (CVE-2016-7476)
CVE-2017-6865 Vulnerability in Primary Setup Tool (PST) (CVE-2017-6865)
CVE-2017-6867 Out-of-Bounds Write in Siemens SIMATIC WinCC (CVE-2017-6867)
CVE-2016-10371 Vulnerability in LibTIFF (CVE-2016-10371)
CVE-2017-0346 Vulnerability in Microsoft Windows (CVE-2017-0346)
CVE-2017-0350 Vulnerability in Nvidia (CVE-2017-0350)
CVE-2017-0353 Vulnerability in Nvidia (CVE-2017-0353)
CVE-2017-0354 Vulnerability in Microsoft Windows (CVE-2017-0354)
CVE-2017-0355 Vulnerability in Microsoft Windows (CVE-2017-0355)

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