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Cwe 20

🧬 CWE Related 125
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 78120 Cwe 787105 Cwe 41699 Cwe 2296 Cwe 11990 Cwe 9484 Cwe 50270 Cwe 7966 Cwe 8954 Cwe 91844 Cwe 28443 Cwe 28741 Cwe 7740 Cwe 30638 Cwe 84337

🛡 Vulnerabilities tagged with this 2,284

ID Title
CVE-2018-20062 KEV [KEV] Vulnerability in Thinkphp nonecms (CVE-2018-20062)
CVE-2021-36742 KEV [KEV] Vulnerability in Trend micro trend-micro (CVE-2021-36742)
CVE-2021-21985 KEV [KEV] SSRF (Server-Side Request Forgery) in Vmware vcenter-server (CVE-2021-21985)
CVE-2021-34783 Buffer Overflow in dos (CVE-2021-34783)
CVE-2021-34791 Vulnerability in cisco (CVE-2021-34791)
CVE-2021-34790 Vulnerability in cisco (CVE-2021-34790)
CVE-2021-34755 Vulnerability in cisco (CVE-2021-34755)
CVE-2021-34756 Vulnerability in cisco (CVE-2021-34756)
CVE-2020-26146 Vulnerability in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn (CVE-2020-26146)
CVE-2021-33287 Out-of-Bounds Write in dos (CVE-2021-33287)
CVE-2021-35268 Out-of-Bounds Write in tuxera (CVE-2021-35268)
CVE-2021-34432 Vulnerability in eclipse (CVE-2021-34432)
CVE-2021-34516 Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-34449.
CVE-2021-33012 Vulnerability in rockwellautomation (CVE-2021-33012)
CVE-2020-27339 Vulnerability in insyde (CVE-2020-27339)
CVE-2021-22765 Vulnerability in dos (CVE-2021-22765)
CVE-2021-22766 Vulnerability in dos (CVE-2021-22766)
CVE-2021-22767 Vulnerability in dos (CVE-2021-22767)
CVE-2021-22768 Vulnerability in dos (CVE-2021-22768)
CVE-2021-1448 Vulnerability in cisco (CVE-2021-1448)
CVE-2021-1402 Buffer Overflow in dos (CVE-2021-1402)
CVE-2021-29425 Vulnerability in apache (CVE-2021-29425)
CVE-2021-30004 Vulnerability in c (CVE-2021-30004)
CVE-2020-3577 Vulnerability in dos (CVE-2020-3577)
CVE-2020-3571 Vulnerability in dos (CVE-2020-3571)
CVE-2020-3317 Vulnerability in dos (CVE-2020-3317)
CVE-2020-3304 Vulnerability in dos (CVE-2020-3304)
CVE-2020-1195 Vulnerability in microsoft (CVE-2020-1195)
CVE-2020-1173 Vulnerability in microsoft (CVE-2020-1173)
CVE-2020-1081 Vulnerability in microsoft (CVE-2020-1081)

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