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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 128

ID Title
CVE-2017-3881 KEV [KEV] Vulnerability in Cisco ios-and-ios-xe (CVE-2017-3881)
CVE-2017-0146 KEV [KEV] Vulnerability in Microsoft windows (CVE-2017-0146)
CVE-2013-2251 KEV [KEV] Vulnerability in Apache struts (CVE-2013-2251)
CVE-2012-1823 KEV [KEV] Vulnerability in php (CVE-2012-1823)
CVE-2010-3035 KEV [KEV] Vulnerability in Cisco ios-xr (CVE-2010-3035)
CVE-2009-2055 KEV [KEV] Vulnerability in Cisco ios-xr (CVE-2009-2055)
CVE-2009-0927 KEV [KEV] Vulnerability in Adobe reader-and-acrobat (CVE-2009-0927)
CVE-2021-21973 KEV [KEV] Vulnerability in Vmware vcenter-server-and-cloud-foundation (CVE-2021-21973)
CVE-2019-1652 KEV [KEV] Vulnerability in Cisco small-business-rv320-and-rv325-dual-gigabit-wan-vpn-routers (CVE-2019-1652)
CVE-2018-0174 KEV [KEV] Vulnerability in Cisco ios-xe-software (CVE-2018-0174)
CVE-2018-0173 KEV [KEV] Vulnerability in Cisco ios-and-ios-xe-software (CVE-2018-0173)
CVE-2018-0172 KEV [KEV] Vulnerability in Cisco ios-and-ios-xe-software (CVE-2018-0172)
CVE-2018-0159 KEV [KEV] Vulnerability in cisco (CVE-2018-0159)
CVE-2018-0158 KEV [KEV] Vulnerability in cisco (CVE-2018-0158)
CVE-2017-12319 KEV [KEV] Vulnerability in Cisco ios-xe-software (CVE-2017-12319)
CVE-2017-12240 KEV [KEV] Vulnerability in Cisco ios-and-ios-xe-software (CVE-2017-12240)
CVE-2017-12235 KEV [KEV] Vulnerability in Cisco ios-software (CVE-2017-12235)
CVE-2017-12234 KEV [KEV] Vulnerability in Cisco ios-software (CVE-2017-12234)
CVE-2017-12233 KEV [KEV] Vulnerability in Cisco ios-software (CVE-2017-12233)
CVE-2016-8562 KEV [KEV] Vulnerability in Siemens simatic-cp (CVE-2016-8562)
CVE-2016-7262 KEV [KEV] Vulnerability in Microsoft excel (CVE-2016-7262)
CVE-2015-2545 KEV [KEV] Vulnerability in Microsoft office (CVE-2015-2545)
CVE-2014-4114 KEV [KEV] Vulnerability in Microsoft windows (CVE-2014-4114)
CVE-2013-5065 KEV [KEV] Vulnerability in Microsoft windows (CVE-2013-5065)
CVE-2009-1123 KEV [KEV] Vulnerability in Microsoft windows (CVE-2009-1123)
CVE-2022-24086 KEV [KEV] Vulnerability in Adobe commerce-and-magento-open-source (CVE-2022-24086)
CVE-2017-9791 KEV [KEV] Vulnerability in Apache struts-1 (CVE-2017-9791)
CVE-2017-0145 KEV [KEV] Vulnerability in Microsoft smbv1 (CVE-2017-0145)
CVE-2017-0144 KEV [KEV] Vulnerability in Microsoft smbv1 (CVE-2017-0144)
CVE-2016-3088 KEV [KEV] Vulnerability in Apache activemq (CVE-2016-3088)

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