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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, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
253431 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
253432 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
253433 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
253434 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
253435 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
253436 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
253437 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
253438 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
253439 6.1 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-noinfo
情報不足 		CVE-2011-3274 2011-11-7 16:35 2011-09-28 Show GitHub Exploit DB Packet Storm
253440 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 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2011-3273 2011-11-7 16:35 2011-09-28 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 30, 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
195251 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable. CWE-787
 Out-of-bounds Write 		CVE-2021-22465 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195252 3.3 LOW
Local 		huawei harmonyos A component of the HarmonyOS has a Out-of-bounds Read vulnerability. Local attackers may exploit this vulnerability to cause system Soft Restart. CWE-125
Out-of-bounds Read 		CVE-2021-22464 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195253 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a Use After Free vulnerability . Local attackers may exploit this vulnerability to cause Kernel Information disclosure. CWE-416
 Use After Free 		CVE-2021-22463 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195254 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a NULL Pointer Dereference vulnerability. Local attackers may exploit this vulnerability to cause kernel crash. CWE-476
 NULL Pointer Dereference 		CVE-2021-22462 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195255 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a Allocation of Resources Without Limits or Throttling vulnerability. Local attackers may exploit this vulnerability to cause nearby process crash. CWE-770
 Allocation of Resources Without Limits or Throttling 		CVE-2021-22461 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195256 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a Insufficient Verification of Data Authenticity vulnerability. Local attackers may exploit this vulnerability to bypass the control mechanism. CWE-345
 Insufficient Verification of Data Authenticity 		CVE-2021-22460 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195257 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a NULL Pointer Dereference vulnerability. Local attackers may exploit this vulnerability to cause System functions which are unavailable. CWE-476
 NULL Pointer Dereference 		CVE-2021-22459 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195258 7.8 HIGH
Local 		huawei harmonyos A component of the HarmonyOS has a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability. Local attackers may exploit this vulnerability to cause arbitrary code execut… CWE-125
Out-of-bounds Read 		CVE-2021-22458 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195259 3.3 LOW
Local 		huawei harmonyos A component of the HarmonyOS has a Improper Input Validation vulnerability. Local attackers may exploit this vulnerability to cause out-of-bounds write. CWE-20
 Improper Input Validation  		CVE-2021-22457 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm
195260 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS has a Data Processing Errors vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable. NVD-CWE-noinfo
CVE-2021-22456 2024-11-21 14:50 2021-10-28 Show GitHub Exploit DB Packet Storm