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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-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-2021-22787 Vulnerability in dos (CVE-2021-22787)
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)
CVE-2022-22587 KEV [KEV] Vulnerability in Apple ios-and-macos (CVE-2022-22587)
CVE-2012-0391 KEV [KEV] Vulnerability in Apache struts-2 (CVE-2012-0391)
CVE-2021-35247 KEV [KEV] Vulnerability in Solarwinds serv-u (CVE-2021-35247)
CVE-2013-3900 KEV [KEV] Vulnerability in Microsoft winverifytrust-function (CVE-2013-3900)
CVE-2021-44832 Vulnerability in org.apache.logging.log4j:log4j-core (CVE-2021-44832)
CVE-2021-45105 Vulnerability in org.apache.logging.log4j:log4j-core (CVE-2021-45105)
CVE-2017-17562 KEV [KEV] Vulnerability in Embedthis goahead (CVE-2017-17562)
CVE-2010-1871 KEV [KEV] Vulnerability in Red hat red-hat (CVE-2010-1871)
CVE-2021-44228 KEV [KEV] Vulnerability in Apache log4j2 (CVE-2021-44228)

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