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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-2007-3010 KEV [KEV] Vulnerability in Alcatel OmniPCX Enterprise (CVE-2007-3010)
CVE-2021-42278 KEV [KEV] Vulnerability in Microsoft Active Directory (CVE-2021-42278)
CVE-2017-0148 KEV [KEV] Vulnerability in Microsoft SMBv1 server (CVE-2017-0148)
CVE-2022-22675 KEV [KEV] Vulnerability in Apple macOS (CVE-2022-22675)
CVE-2022-22674 KEV [KEV] Vulnerability in Apple macOS (CVE-2022-22674)
CVE-2018-8414 KEV [KEV] Vulnerability in Microsoft Windows (CVE-2018-8414)
CVE-2018-0147 KEV [KEV] Vulnerability in Cisco Secure Access Control System (ACS) (CVE-2018-0147)
CVE-2018-0125 KEV [KEV] Vulnerability in Cisco VPN Routers (CVE-2018-0125)
CVE-2017-6316 KEV [KEV] Vulnerability in Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server (CVE-2017-6316)
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 IOS Software and Cisco IOS XE Software (CVE-2018-0159)
CVE-2018-0158 KEV [KEV] Vulnerability in IOS Software and Cisco IOS XE Software (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)

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