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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-2026-45565 Vulnerability in Apache (CVE-2026-45565)
CVE-2026-45556 Vulnerability in Apache (CVE-2026-45556)
CVE-2026-45558 Vulnerability in Apache (CVE-2026-45558)
CVE-2026-45328 Vulnerability in ESF-IDF (CVE-2026-45328)
CVE-2026-45329 Vulnerability in ESF-IDF (CVE-2026-45329)
CVE-2026-41727 Vulnerability in org.springframework.kafka:spring-kafka (CVE-2026-41727)
CVE-2026-47903 Vulnerability in CAI Content Credentials (CVE-2026-47903)
CVE-2026-34712 Vulnerability in CAI Content Credentials (CVE-2026-34712)
CVE-2026-47930 Vulnerability in Adobe Coldfusion (CVE-2026-47930)
CVE-2026-47931 Vulnerability in Adobe Coldfusion (CVE-2026-47931)
CVE-2026-47928 Vulnerability in Adobe Coldfusion (CVE-2026-47928)
CVE-2026-47909 Vulnerability in Adobe macOS (CVE-2026-47909)
CVE-2026-44811 Vulnerability in Windows DWM Core Library (CVE-2026-44811)
CVE-2026-40376 Vulnerability in Visual Studio Code (CVE-2026-40376)
CVE-2026-0415 Vulnerability in Netgear Rbe970 Firmware (CVE-2026-0415)
CVE-2026-0419 Vulnerability in Netgear Jr6150 Firmware (CVE-2026-0419)
CVE-2026-0412 Vulnerability in NETGEAR JR6150 (CVE-2026-0412)
CVE-2026-0410 Vulnerability in Netgear R7000 Firmware (CVE-2026-0410)
CVE-2026-0416 Vulnerability in Netgear Raxe450 Firmware (CVE-2026-0416)
CVE-2026-0417 Vulnerability in NETGEAR devices (CVE-2026-0417)
CVE-2026-9210 Vulnerability in Netgear Ex3700 Firmware (CVE-2026-9210)
CVE-2026-9211 Vulnerability in Netgear Cax30 Firmware (CVE-2026-9211)
CVE-2026-9212 Vulnerability in Netgear Lbr1020 Firmware (CVE-2026-9212)
CVE-2026-9213 Vulnerability in Netgear Mr70 Firmware (CVE-2026-9213)
CVE-2026-49840 Vulnerability in FreeSWITCH (CVE-2026-49840)
CVE-2026-49475 Vulnerability in FreeSWITCH (CVE-2026-49475)
CVE-2026-48569 Vulnerability in Visual Studio Code (CVE-2026-48569)
CVE-2026-48288 Vulnerability in Adobe Experience Manager (CVE-2026-48288)
CVE-2026-48289 Vulnerability in Adobe Experience Manager (CVE-2026-48289)
CVE-2026-47641 Vulnerability in Microsoft Sharepoint Server (CVE-2026-47641)

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