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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-2020-26146 Vulnerability in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn (CVE-2020-26146)
CVE-2021-41079 Vulnerability in Apache Tomcat (CVE-2021-41079)
CVE-2021-33287 Out-of-Bounds Write in NTFS-3G (CVE-2021-33287)
CVE-2021-35268 Out-of-Bounds Write in NTFS-3G (CVE-2021-35268)
CVE-2021-3580 Vulnerability in Nettle Project (CVE-2021-3580)
CVE-2021-34432 Vulnerability in Eclipse Mosquitto (CVE-2021-34432)
CVE-2021-22924 Vulnerability in Oracle Haxx (CVE-2021-22924)
CVE-2021-34516 Vulnerability in Microsoft Windows 10 (CVE-2021-34516)
CVE-2021-33012 Vulnerability in Rockwellautomation (CVE-2021-33012)
CVE-2020-27339 Vulnerability in Insyde InsydeH2O (CVE-2020-27339)
CVE-2021-22765 Vulnerability in PowerLogic EGX100 (CVE-2021-22765)
CVE-2021-22766 Vulnerability in PowerLogic EGX100 (CVE-2021-22766)
CVE-2021-22767 Vulnerability in PowerLogic EGX100 (CVE-2021-22767)
CVE-2021-22768 Vulnerability in PowerLogic EGX100 (CVE-2021-22768)
CVE-2020-24486 Vulnerability in Intel Bios (CVE-2020-24486)
CVE-2020-26144 Vulnerability in Samsung Galaxy I9305 Firmware (CVE-2020-26144)
CVE-2021-1448 Vulnerability in Cisco Firepower Threat Defense (FTD) Software (CVE-2021-1448)
CVE-2021-1402 Buffer Overflow in Cisco Firepower Threat Defense (FTD) Software (CVE-2021-1402)
CVE-2021-29425 Vulnerability in Apache Weblogic Server (CVE-2021-29425)
CVE-2021-30004 Vulnerability in W1Fi (CVE-2021-30004)
CVE-2021-1432 Vulnerability in Cisco IOS XE SD-WAN Software (CVE-2021-1432)
CVE-2020-11987 Vulnerability in Apache Weblogic Server (CVE-2020-11987)
CVE-2020-35493 Vulnerability in Gnu Binutils (CVE-2020-35493)
CVE-2020-13956 Vulnerability in Apache Weblogic Server (CVE-2020-13956)
CVE-2020-12322 Vulnerability in Intel Dual Band Wireless Ac 3168 Firmware (CVE-2020-12322)
CVE-2020-3577 Vulnerability in Cisco Firepower Threat Defense (FTD) Software for interfaces (CVE-2020-3577)
CVE-2020-3571 Vulnerability in Cisco Firepower Threat Defense (FTD) (CVE-2020-3571)
CVE-2020-3317 Vulnerability in Cisco Firepower Threat Defense (FTD) Software (CVE-2020-3317)
CVE-2020-3304 Vulnerability in Cisco Adaptive Security Appliance (ASA) Software (CVE-2020-3304)
CVE-2020-12062 Vulnerability in OpenBSD Openssh (CVE-2020-12062)

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