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I. Basic Information for CVE-2025-20033
Vulnerability Information

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Vulnerability Title
DoS via custom post type for sysconsole plugin readers
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1287
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存在安全漏洞,该漏洞源于帖子类型验证不当,允许攻击者通过创建具有custom_pl_notification类型和特定属性的帖子来拒绝向部分用户提供服务。
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 10.2.0 -
II. Public POCs for CVE-2025-20033
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III. Intelligence Information for CVE-2025-20033
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IV. Related Vulnerabilities
V. Comments for CVE-2025-20033

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