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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-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-2021-3655 Vulnerability in :linux_kernel: (CVE-2021-3655)
CVE-2022-24086 KEV [KEV] Vulnerability in Adobe Commerce and Magento Open Source (CVE-2022-24086)
CVE-2021-22787 Vulnerability in Schneider Electric Modicon M340 Bmxp342020 Firmware (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-2021-36343 Buffer Overflow in Dell BIOS (CVE-2021-36343)
CVE-2021-36342 Buffer Overflow in Dell BIOS (CVE-2021-36342)
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 JBoss Seam 2 (CVE-2010-1871)
CVE-2021-44228 KEV [KEV] Vulnerability in Apache Log4j2 (CVE-2021-44228)
CVE-2020-11261 KEV [KEV] Vulnerability in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables (CVE-2020-11261)
CVE-2021-0158 Vulnerability in Intel Celeron N2805 (CVE-2021-0158)
CVE-2021-3572 Vulnerability in git references (CVE-2021-3572)
CVE-2021-27104 KEV [KEV] Vulnerability in Accellion FTA (CVE-2021-27104)
CVE-2021-27102 KEV [KEV] Vulnerability in Accellion FTA (CVE-2021-27102)
CVE-2020-0041 KEV [KEV] Vulnerability in Android Kernel (CVE-2020-0041)
CVE-2017-5638 KEV [KEV] Vulnerability in Apache Struts (CVE-2017-5638)
CVE-2018-11776 KEV [KEV] Vulnerability in Apache Struts (CVE-2018-11776)

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