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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 25, 2026, 2:01 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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252381 10 危険 Nullsoft - Winamp の in_mod.dll プラグインにおけるヒープベースのバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2011-4857 2011-12-21 15:27 2011-12-9 Show GitHub Exploit DB Packet Storm
252382 6.8 警告 HomeSeer Technologies, LLC. - HomeSeer HS2 の Web インターフェースにおけるクロスサイトリクエストフォージェリの脆弱性 CWE-352
同一生成元ポリシー違反 		CVE-2011-4837 2011-12-21 15:25 2011-12-15 Show GitHub Exploit DB Packet Storm
252383 4.3 警告 HomeSeer Technologies, LLC. - HomeSeer HS2 の Web インターフェースにおけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2011-4836 2011-12-21 15:24 2011-12-15 Show GitHub Exploit DB Packet Storm
252384 7.5 危険 HomeSeer Technologies, LLC. - HomeSeer HS2 の Web インターフェースにおけるディレクトリトラバーサルの脆弱性 CWE-22
パス・トラバーサル 		CVE-2011-4835 2011-12-21 15:23 2011-12-15 Show GitHub Exploit DB Packet Storm
252385 9.3 危険 RSAセキュリティ - EMC RSA SecurID Software Token における権限を取得される脆弱性 CWE-Other
その他 		CVE-2011-4141 2011-12-21 14:34 2011-12-17 Show GitHub Exploit DB Packet Storm
252386 4.3 警告 Mozilla Foundation
SafeNet, Inc
7-Technologies		 - 複数の SafeNet 製品におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2011-3339 2011-12-21 14:21 2011-12-12 Show GitHub Exploit DB Packet Storm
252387 6.8 警告 奈良先端科学技術大学院大学 - 茶筌 (ChaSen) におけるバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2011-4000 2011-12-20 18:12 2011-11-8 Show GitHub Exploit DB Packet Storm
252388 8.3 危険 富士通
日本電気
日立		 - Preboot Execution Environment (PXE) SDK を使用した製品における複数の脆弱性 CWE-119
CWE-22
CVE-2009-0270 2011-12-20 17:33 2011-12-15 Show GitHub Exploit DB Packet Storm
252389 9.3 危険 Parallels - Parallels Plesk Panel の Control Panel における詳細不明な脆弱性 CWE-DesignError
CVE-2011-4856 2011-12-20 14:41 2011-12-16 Show GitHub Exploit DB Packet Storm
252390 9.3 危険 Parallels - Parallels Plesk Panel の Control Panel における詳細不明な脆弱性 CWE-DesignError
CVE-2011-4855 2011-12-20 14:40 2011-12-16 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 25, 2026, 4:01 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
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221711 7.5 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command int… CWE-401
 Missing Release of Memory after Effective Lifetime 		CVE-2019-20888 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221712 4.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts. CWE-862
 Missing Authorization 		CVE-2019-20887 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221713 7.5 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin. CWE-269
 Improper Privilege Management 		CVE-2019-20886 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221714 7.5 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0. It does not always generate a robots.txt file. CWE-862
 Missing Authorization 		CVE-2019-20885 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221715 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0. It allows attackers to partially attach a file to more than one post. NVD-CWE-noinfo
CVE-2019-20884 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221716 4.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0, when Town Square is set to Read-Only. Users can pin or unpin a post. NVD-CWE-noinfo
CVE-2019-20883 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221717 5.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0. It does not honor the domain requirement when processing a join request for an open team. CWE-276
Incorrect Default Permissions  		CVE-2019-20882 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221718 7.3 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA. CWE-307
mproper Restriction of Excessive Authentication Attempts 		CVE-2019-20881 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221719 7.5 HIGH
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph. CWE-770
 Allocation of Resources Without Limits or Throttling 		CVE-2019-20880 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm
221720 4.3 MEDIUM
Network 		mattermost mattermost_server An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential re-entry. CWE-287
Improper Authentication 		CVE-2019-20879 2024-11-21 13:39 2020-06-20 Show GitHub Exploit DB Packet Storm