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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-2026-54405 Vulnerability in Unifi Network Application (CVE-2026-54405)
CVE-2026-50748 Vulnerability in Unifi Access Application (CVE-2026-50748)
CVE-2026-14414 Vulnerability in Google Chrome (CVE-2026-14414)
CVE-2026-14428 Vulnerability in Google Chrome (CVE-2026-14428)
CVE-2026-14429 Vulnerability in Google Chrome (CVE-2026-14429)
CVE-2026-14401 Vulnerability in Google Chrome (CVE-2026-14401)
CVE-2026-14411 Vulnerability in Google Chrome (CVE-2026-14411)
CVE-2026-14412 Vulnerability in Google Chrome (CVE-2026-14412)
CVE-2026-14382 Vulnerability in Google Chrome (CVE-2026-14382)
CVE-2026-38891 An improper input validation in the gazebo_ros_diff_drive.cpp component of gazebo_plugins v3.9.0...
CVE-2026-56151 Vulnerability in Elastic Kibana (CVE-2026-56151)
CVE-2026-13706 Vulnerability in Wikimedia Foundation UrlShortener (CVE-2026-13706)
CVE-2026-13602 We found a chain of combining multiple weaknesses in the product that could allow an attacker to...
CVE-2026-13603 The payment integration pretix-oppwa provides support for the payment providers VR Payment,...
CVE-2026-56333 Vulnerability in Capgo (CVE-2026-56333)
CVE-2026-14140 Vulnerability in Google Chrome (CVE-2026-14140)
CVE-2026-14150 Vulnerability in Google Chrome (CVE-2026-14150)
CVE-2026-28322 SolarWinds Database Performance Analyzer was found to be affected by a stored cross-site...
CVE-2026-14118 Vulnerability in Google Chrome (CVE-2026-14118)
CVE-2026-14115 Vulnerability in Google Chrome (CVE-2026-14115)
CVE-2026-14116 Vulnerability in Google Chrome (CVE-2026-14116)
CVE-2026-14130 Vulnerability in Google Chrome (CVE-2026-14130)
CVE-2026-14117 Vulnerability in Google Chrome (CVE-2026-14117)
CVE-2026-14135 Vulnerability in Google Chrome (CVE-2026-14135)
CVE-2026-14131 Vulnerability in Google Chrome (CVE-2026-14131)
CVE-2026-14137 Vulnerability in Google Chrome (CVE-2026-14137)
CVE-2026-14104 Vulnerability in Google Chrome (CVE-2026-14104)
CVE-2026-14106 Vulnerability in Google Chrome (CVE-2026-14106)
CVE-2026-14109 Vulnerability in Google Chrome (CVE-2026-14109)
CVE-2026-14120 Vulnerability in Google Chrome (CVE-2026-14120)

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