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I. Basic Information for CVE-2025-54499
Vulnerability Information

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Vulnerability Title
Insecure string comparison enables timing attacks
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to use constant-time comparison for sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte brute force attacks via response time analysis on Cloud API keys and OAuth client secrets
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过时间差异性导致的信息暴露
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 10.5.10及之前的10.5.x版本和10.11.2及之前的10.11.x版本存在安全漏洞,该漏洞源于未使用恒定时间比较敏感字符串,可能导致攻击者通过响应时间分析对Cloud API密钥和OAuth客户端密钥进行逐字节暴力破解攻击。
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 10.5.0 ~ 10.5.10 -
II. Public POCs for CVE-2025-54499
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III. Intelligence Information for CVE-2025-54499
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