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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-2017-0164 Vulnerability in Windows (CVE-2017-0164)
CVE-2017-0169 Vulnerability in Microsoft Windows 81 (CVE-2017-0169)
CVE-2017-0178 Vulnerability in Microsoft Windows 10 (CVE-2017-0178)
CVE-2017-0179 Vulnerability in Microsoft Windows 10 (CVE-2017-0179)
CVE-2017-0180 Vulnerability in Microsoft Windows 10 (CVE-2017-0180)
CVE-2017-0181 Vulnerability in Microsoft Windows 10 (CVE-2017-0181)
CVE-2017-0182 Vulnerability in Microsoft Windows 10 (CVE-2017-0182)
CVE-2017-0183 Vulnerability in Microsoft Windows 10 (CVE-2017-0183)
CVE-2017-0184 Vulnerability in Microsoft Windows 10 (CVE-2017-0184)
CVE-2017-0185 Vulnerability in Microsoft Windows 10 (CVE-2017-0185)
CVE-2017-0186 Vulnerability in Microsoft Windows 10 (CVE-2017-0186)
CVE-2016-7957 Vulnerability in Wireshark (CVE-2016-7957)
CVE-2016-7958 Vulnerability in Wireshark (CVE-2016-7958)
CVE-2015-7893 Vulnerability in Samsung Galaxy S6 (CVE-2015-7893)
CVE-2016-7467 Vulnerability in Big Ip Access Policy Manager (CVE-2016-7467)
CVE-2016-6878 Vulnerability in Botan Project (CVE-2016-6878)
CVE-2016-1517 Vulnerability in OpenCV (CVE-2016-1517)
CVE-2017-7592 Vulnerability in Libtiff (CVE-2017-7592)
CVE-2017-7596 Vulnerability in LibTIFF (CVE-2017-7596)
CVE-2017-7597 Vulnerability in Libtiff (CVE-2017-7597)
CVE-2017-7599 Vulnerability in LibTIFF (CVE-2017-7599)
CVE-2017-7600 Vulnerability in LibTIFF (CVE-2017-7600)
CVE-2017-7601 Vulnerability in LibTIFF (CVE-2017-7601)
CVE-2017-7604 Vulnerability in Libaacplus Project (CVE-2017-7604)
CVE-2017-7606 Vulnerability in Imagemagick (CVE-2017-7606)
CVE-2017-7609 Vulnerability in Elfutils Project (CVE-2017-7609)
CVE-2017-7613 Vulnerability in Elfutils Project (CVE-2017-7613)
CVE-2017-3889 Vulnerability in Cisco Registered Envelope Service (CVE-2017-3889)
CVE-2016-9219 Vulnerability in Cisco Wireless Lan Controller Firmware (CVE-2016-9219)
CVE-2017-0887 Vulnerability in Nextcloud Server (CVE-2017-0887)

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