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I. Basic Information for CVE-2023-1775
Vulnerability Information

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Vulnerability Title
Unsanitized events sent over Websocket to regular users in a High Availability environment
Source: NVD (National Vulnerability Database)
Vulnerability Description
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mattermost 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 存在信息泄露漏洞,该漏洞源于在高可用性配置中运行时,Mattermost 无法清理广播给所有用户的一些 user_updated 和 post_deleted 事件,导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
MattermostMattermost 3.3.0 ~ 7.7.1 -
II. Public POCs for CVE-2023-1775
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III. Intelligence Information for CVE-2023-1775
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IV. Related Vulnerabilities
V. Comments for CVE-2023-1775

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