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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-2026-50633 Vulnerability in org.apache.cxf:cxf-integration-jca (CVE-2026-50633)
CVE-2026-50628 Vulnerability in org.apache.cxf:cxf-rt-rs-security-oauth2 (CVE-2026-50628)
CVE-2026-47369 A malicious actor with access to the network and low privileges could exploit an Improper Input...
CVE-2026-47367 A malicious actor with access to the network and low privileges could exploit an Improper Input...
CVE-2026-47370 A malicious actor with access to the network and low privileges could exploit an Improper Input...
CVE-2026-12025 Vulnerability in Google Chrome (CVE-2026-12025)
CVE-2026-12034 Vulnerability in Google Chrome (CVE-2026-12034)
CVE-2026-12016 Vulnerability in Google Chrome (CVE-2026-12016)
CVE-2026-12017 Vulnerability in Google Chrome (CVE-2026-12017)
CVE-2026-12009 Vulnerability in Google Chrome (CVE-2026-12009)
CVE-2026-48109 Vulnerability in MessagePack (CVE-2026-48109)
CVE-2026-47181 Vulnerability in PenguinMod-BackendApi (CVE-2026-47181)
CVE-2026-49982 Vulnerability in tmp (CVE-2026-49982)
CVE-2026-47780 Vulnerability in github.com/free5gc/udr (CVE-2026-47780)
CVE-2026-53723 Vulnerability in guzzlehttp/guzzle-services (CVE-2026-53723)
CVE-2026-48998 Vulnerability in guzzlehttp/psr7 (CVE-2026-48998)
CVE-2026-49214 Vulnerability in guzzlehttp/psr7 (CVE-2026-49214)
CVE-2026-53901 Vulnerability in Cerebrate (CVE-2026-53901)
CVE-2026-49218 Vulnerability in Magick.NET-Q16-AnyCPU (CVE-2026-49218)
CVE-2024-21944 Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker...
CVE-2026-48110 Vulnerability in russh (CVE-2026-48110)
CVE-2026-48108 Vulnerability in russh (CVE-2026-48108)
CVE-2026-48107 Vulnerability in russh (CVE-2026-48107)
CVE-2026-46669 Vulnerability in OpenVM (CVE-2026-46669)
CVE-2026-20256 Vulnerability in Splunk Enterprise (CVE-2026-20256)
CVE-2026-20257 Vulnerability in Splunk Enterprise (CVE-2026-20257)
CVE-2026-20255 Vulnerability in Splunk Enterprise (CVE-2026-20255)
CVE-2026-20254 Vulnerability in Splunk Enterprise (CVE-2026-20254)
CVE-2026-50569 Vulnerability in github.com/fission/fission (CVE-2026-50569)
CVE-2026-11914 Vulnerability in drupal/composer (CVE-2026-11914)

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