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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 24, 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
252361 6.9 警告 マイクロソフト - Microsoft Windows 7 における Internet Explorer サンドボックスの制限を回避される脆弱性 CWE-noinfo
情報不足 		CVE-2011-4695 2011-12-12 16:39 2011-12-7 Show GitHub Exploit DB Packet Storm
252362 9.3 危険 アップル
アドビシステムズ
マイクロソフト		 - Windows および Mac OS X 上で稼働する Adobe Flash Player における任意のコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2011-4694 2011-12-12 16:38 2011-12-7 Show GitHub Exploit DB Packet Storm
252363 9.3 危険 アップル
アドビシステムズ
マイクロソフト		 - Windows および Mac OS X 上で稼働する Adobe Flash Player における任意のコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2011-4693 2011-12-12 16:37 2011-12-7 Show GitHub Exploit DB Packet Storm
252364 5 警告 アップル
Google		 - WebKit におけるブラウザキャッシュ内の画像データの存在を推測される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-4692 2011-12-12 16:36 2011-12-7 Show GitHub Exploit DB Packet Storm
252365 5 警告 Google - Google Chrome におけるブラウザキャッシュ内の文書の存在を容易に推測される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-4691 2011-12-12 16:34 2011-12-7 Show GitHub Exploit DB Packet Storm
252366 5 警告 Opera Software ASA - Opera におけるブラウザキャッシュ内の文書の存在を容易に推測される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-4690 2011-12-12 16:33 2011-12-7 Show GitHub Exploit DB Packet Storm
252367 5 警告 マイクロソフト - Microsoft Internet Explorer における文書の存在を容易に推測される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-4689 2011-12-12 16:33 2011-12-7 Show GitHub Exploit DB Packet Storm
252368 5 警告 Mozilla Foundation - Mozilla Firefox におけるブラウザキャッシュ内の文書の存在を容易に推測される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2011-4688 2011-12-12 16:31 2011-12-7 Show GitHub Exploit DB Packet Storm
252369 4.3 警告 Mozilla Foundation - 複数の Mozilla 製品のレイアウトエンジンにおける重要な情報を取得される脆弱性 CWE-362
競合状態 		CVE-2010-5074 2011-12-12 16:22 2010-03-31 Show GitHub Exploit DB Packet Storm
252370 5 警告 Google - Google Chrome の JavaScript 実装における重要な情報を取得される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-5073 2011-12-12 16:21 2011-12-7 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 24, 2026, 4:05 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