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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 30, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
249281 6.3 警告 シスコシステムズ - Cisco IOS および IOS XE におけるサービス運用妨害 (DoS) の脆弱性 CWE-20
不適切な入力確認 		CVE-2011-4231 2012-05-8 13:40 2012-05-3 Show GitHub Exploit DB Packet Storm
249282 7.8 危険 シスコシステムズ - Nexus スイッチ上で稼働する Cisco NX-OS の libcmd におけるサービス運用妨害 (メモリ消費) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-4023 2012-05-8 11:54 2012-05-3 Show GitHub Exploit DB Packet Storm
249283 5 警告 シスコシステムズ - Cisco Intrusion Prevention System のセンサにおけるサービス運用妨害 (DoS) の脆弱性 CWE-287
不適切な認証 		CVE-2011-4022 2012-05-8 11:53 2012-05-3 Show GitHub Exploit DB Packet Storm
249284 5.4 警告 シスコシステムズ - Cisco IOS および Cisco Unified Communications Manager におけるサービス運用妨害 (メモリ消費) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-4019 2012-05-8 11:50 2012-05-3 Show GitHub Exploit DB Packet Storm
249285 5.4 警告 シスコシステムズ - Cisco IOS の PPP の実装におけるサービス運用妨害 (デバイスクラッシュ) の脆弱性 CWE-16
環境設定 		CVE-2011-4016 2012-05-8 11:41 2012-05-2 Show GitHub Exploit DB Packet Storm
249286 5 警告 シスコシステムズ - Cisco IOS におけるサービス運用妨害 (インターフェイスキューウェッジ) の脆弱性 CWE-20
不適切な入力確認 		CVE-2011-4015 2012-05-8 11:40 2012-05-2 Show GitHub Exploit DB Packet Storm
249287 4 警告 シスコシステムズ - Cisco WCS の TAC Case Attachment ツールにおける任意のファイルを読まれる脆弱性 CWE-200
情報漏えい 		CVE-2011-4014 2012-05-8 11:39 2012-05-2 Show GitHub Exploit DB Packet Storm
249288 9.3 危険 シスコシステムズ - Cisco IOS におけるフラグメンテーション (断片化) のエントリー生成処理に関する詳細不明な脆弱性 CWE-Other
その他 		CVE-2011-4012 2012-05-8 11:38 2012-05-2 Show GitHub Exploit DB Packet Storm
249289 5.4 警告 シスコシステムズ - Cisco IOS および IOS XE におけるサービス運用妨害 (デバイスクラッシュ) の脆弱性 CWE-20
不適切な入力確認 		CVE-2011-4007 2012-05-8 11:38 2012-05-2 Show GitHub Exploit DB Packet Storm
249290 7.8 危険 シスコシステムズ - Cisco ASA 5500 シリーズデバイスの ESMTP 検査機能におけるサービス運用妨害 (CPU 資源の消費) の脆弱性 CWE-20
不適切な入力確認 		CVE-2011-4006 2012-05-8 11:36 2012-05-2 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 31, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
196861 8.8 HIGH
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Use after free in WebMIDI in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21213 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196862 6.5 MEDIUM
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP. NVD-CWE-noinfo
CVE-2021-21212 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196863 6.5 MEDIUM
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Inappropriate implementation in Navigation in Google Chrome on iOS prior to 90.0.4430.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. CWE-346
 Origin Validation Error 		CVE-2021-21211 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196864 6.5 MEDIUM
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Inappropriate implementation in Network in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to potentially access local UDP ports via a crafted HTML page. NVD-CWE-Other
CVE-2021-21210 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196865 6.5 MEDIUM
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Inappropriate implementation in storage in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. CWE-346
 Origin Validation Error 		CVE-2021-21209 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196866 6.5 MEDIUM
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Insufficient data validation in QR scanner in Google Chrome on iOS prior to 90.0.4430.72 allowed an attacker displaying a QR code to perform domain spoofing via a crafted QR code. CWE-20
 Improper Input Validation  		CVE-2021-21208 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196867 8.6 HIGH
Local 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Use after free in IndexedDB in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chro… CWE-416
 Use After Free 		CVE-2021-21207 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196868 8.8 HIGH
Network 		google
fedoraproject 		chrome
fedora 		Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21206 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196869 8.1 HIGH
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Insufficient policy enforcement in navigation in Google Chrome on iOS prior to 90.0.4430.72 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. NVD-CWE-noinfo
CVE-2021-21205 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm
196870 8.8 HIGH
Network 		google
debian
fedoraproject 		chrome
debian_linux
fedora 		Use after free in Blink in Google Chrome on OS X prior to 90.0.4430.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-416
 Use After Free 		CVE-2021-21204 2024-11-21 14:47 2021-04-27 Show GitHub Exploit DB Packet Storm