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I. Basic Information for CVE-2021-39174
Vulnerability Information

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Vulnerability Title
Configuration leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cachet is an open source status page system. Prior to version 2.5.1, authenticated users, regardless of their privileges (User or Admin), can leak the value of any configuration entry of the dotenv file, e.g. the application secret (`APP_KEY`) and various passwords (email, database, etc). This issue was addressed in version 2.5.1 by improving `UpdateConfigCommandHandler` and preventing the use of nested variables in the resulting dotenv configuration file. As a workaround, only allow trusted source IP addresses to access to the administration dashboard.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特殊命令到另一不同平面时的净化处理不恰当(特殊命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cachet 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Github Cachet是一个应用软件。一个开源状态页面系统。 Github Cachet 存在安全漏洞,该漏洞源于 Cachet 在 2.5.1 版本之前,经过身份验证的用户,无论其权限如何(用户或管理员),都可能泄露 dotenv 文件的任何配置条目的值。
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
fiveaiCachet < 2.5.1 -
II. Public POCs for CVE-2021-39174
#POC DescriptionSource LinkShenlong Link
1Cachet configuration leak dumper. CVE-2021-39174 PoC.https://github.com/n0kovo/CVE-2021-39174-PoCPOC Details
2CVE-2021-39174 Cachet 2.4.0-devhttps://github.com/hadrian3689/cachet_2.4.0-devPOC Details
AI-Generated POCPremium
Qwen3.6-35B-A3B · 9588 chars
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III. Intelligence Information for CVE-2021-39174
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