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I. Basic Information for CVE-2025-55070
Vulnerability Information

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Vulnerability Title
Lack of MFA enforcement in WebSocket connections
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions <11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mattermost 安全漏洞
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 11之前版本存在安全漏洞,该漏洞源于WebSocket连接未强制执行多因素身份验证,可能导致未经验证的用户访问敏感信息。
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 <11 ~ <11 -
II. Public POCs for CVE-2025-55070
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III. Intelligence Information for CVE-2025-55070
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IV. Related Vulnerabilities
V. Comments for CVE-2025-55070

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