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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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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 28, 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
249171 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
249172 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
249173 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
249174 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
249175 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
249176 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
249177 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
249178 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
249179 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
249180 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 28, 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
197261 6.7 MEDIUM
Local 		cisco ios_xe
ios_xe_sd-wan 		Multiple vulnerabilities in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system with root privileges. These vulnerabilities … CWE-88
Argument Injection 		CVE-2021-1454 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197262 6.8 MEDIUM
Physics 		cisco ios_xe A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute u… - CVE-2021-1453 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197263 6.8 MEDIUM
Physics 		cisco ios_xe_rom_monitor A vulnerability in the ROM Monitor (ROMMON) of Cisco IOS XE Software for Cisco Catalyst IE3200, IE3300, and IE3400 Rugged Series Switches, Cisco Catalyst IE3400 Heavy Duty Series Switches, and Cisco … - CVE-2021-1452 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197264 9.8 CRITICAL
Network 		cisco ios_xe A vulnerability in the Easy Virtual Switching System (VSS) feature of Cisco IOS XE Software for Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenti… - CVE-2021-1451 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197265 6.7 MEDIUM
Local 		cisco aironet_access_point_software
catalyst_9800_firmware
wireless_lan_controller_software 		A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check tha… NVD-CWE-Other
CVE-2021-1449 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197266 7.5 HIGH
Network 		cisco ios_xe A vulnerability in the DNS application layer gateway (ALG) functionality used by Network Address Translation (NAT) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an… - CVE-2021-1446 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197267 7.2 HIGH
Network 		cisco ios_xe A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying operating system of an affected d… CWE-78
OS Command  		CVE-2021-1443 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197268 7.8 HIGH
Local 		cisco ios_xe A vulnerability in a diagnostic command for the Plug-and-Play (PnP) subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to the level of an Administra… - CVE-2021-1442 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197269 6.7 MEDIUM
Local 		cisco ios_xe A vulnerability in the hardware initialization routines of Cisco IOS XE Software for Cisco 1100 Series Industrial Integrated Services Routers and Cisco ESR6300 Embedded Series Routers could allow an … CWE-78
OS Command  		CVE-2021-1441 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm
197270 7.4 HIGH
Adjacent 		cisco aironet_access_point_software
catalyst_9800_firmware 		A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) conditi… - CVE-2021-1439 2024-11-21 14:44 2021-03-25 Show GitHub Exploit DB Packet Storm