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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":May 27, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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253091 7.8 危険 シスコシステムズ - Cisco IOS におけるサービス運用妨害 (デバイスリロード) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-0944 2011-11-8 10:20 2011-09-28 Show GitHub Exploit DB Packet Storm
253092 7.8 危険 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 (デバイスリロード) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-0939 2011-11-8 10:18 2011-09-28 Show GitHub Exploit DB Packet Storm
253093 7.8 危険 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-noinfo
情報不足 		CVE-2011-3282 2011-11-7 16:39 2011-09-28 Show GitHub Exploit DB Packet Storm
253094 7.8 危険 シスコシステムズ - Cisco IOS における運用サービス妨害 (デバイスのリロードまたはハング) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-3281 2011-11-7 16:39 2011-09-28 Show GitHub Exploit DB Packet Storm
253095 7.8 危険 シスコシステムズ - Cisco IOS の NAT 実装におけるサービス運用妨害 (メモリ消費またはデバイスのリロード) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-3280 2011-11-7 16:38 2011-09-28 Show GitHub Exploit DB Packet Storm
253096 7.8 危険 シスコシステムズ - Cisco IOS の provider-edge MPLS NAT 実装におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-3279 2011-11-7 16:38 2011-09-28 Show GitHub Exploit DB Packet Storm
253097 7.8 危険 シスコシステムズ - Cisco IOS および IOS XE の NAT 実装におけるサービス運用妨害 (デバイスのリロード) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-3278 2011-11-7 16:37 2011-09-28 Show GitHub Exploit DB Packet Storm
253098 7.8 危険 シスコシステムズ - Cisco IOS の NAT 実装におけるサービス運用妨害 (デバイスのリロード) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-3277 2011-11-7 16:37 2011-09-28 Show GitHub Exploit DB Packet Storm
253099 7.8 危険 シスコシステムズ - Cisco IOS および IOS XE の NAT 機能におけるサービス運用妨害 (DoS) の脆弱性 CWE-noinfo
情報不足 		CVE-2011-3276 2011-11-7 16:36 2011-09-28 Show GitHub Exploit DB Packet Storm
253100 7.8 危険 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 (メモリ消費) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-3275 2011-11-7 16:36 2011-09-28 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 27, 2026, 4:52 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
202461 6.0 MEDIUM
Local 		cisco ios A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. … CWE-552
 Files or Directories Accessible to External Parties 		CVE-2020-3476 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202462 6.5 MEDIUM
Adjacent 		cisco ios_xe A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause… CWE-20
 Improper Input Validation  		CVE-2020-3429 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202463 6.5 MEDIUM
Adjacent 		cisco ios_xe A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial… CWE-400
 Uncontrolled Resource Consumption 		CVE-2020-3428 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202464 9.1 CRITICAL
Network 		cisco ios A vulnerability in the implementation of the Low Power, Wide Area (LPWA) subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 S… CWE-20
 Improper Input Validation  		CVE-2020-3426 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202465 6.7 MEDIUM
Local 		cisco ios_xe A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on… CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2020-3423 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202466 7.5 HIGH
Network 		cisco ios_xe A vulnerability in the IP Service Level Agreement (SLA) responder feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the IP SLA responder to reuse an existing p… NVD-CWE-noinfo
CVE-2020-3422 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202467 7.5 HIGH
Network 		cisco ios_xe Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through t… CWE-754
 Improper Check for Unusual or Exceptional Conditions 		CVE-2020-3421 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202468 4.7 MEDIUM
Adjacent 		cisco ios_xe A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being … NVD-CWE-Other
CVE-2020-3418 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202469 6.7 MEDIUM
Local 		cisco ios_xe A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to execute persistent code at boot time and break the chain of trust. This vulnerability is due to incorrect vali… CWE-78
OS Command  		CVE-2020-3417 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm
202470 6.7 MEDIUM
Local 		cisco ios_xe Multiple vulnerabilities in the initialization routines that are executed during bootup of Cisco IOS XE Software for Cisco ASR 900 Series Aggregation Services Routers with a Route Switch Processor 3 … CWE-94
Code Injection 		CVE-2020-3416 2024-11-21 14:31 2020-09-25 Show GitHub Exploit DB Packet Storm