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I. Basic Information for CVE-2021-21686
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jenkins 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jenkins是Jenkins开源的一个应用软件。一个开源自动化服务器Jenkins提供了数百个插件来支持构建,部署和自动化任何项目。 Jenkins 存在后置链接漏洞,该漏洞源于 Jenkins 2.318 及更早版本、LTS 2.303.2 及更早版本的代理到控制器安全子系统中的文件路径过滤器不规范化路径,允许操作遵循符号链接到允许的外部目录。
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
Jenkins projectJenkins unspecified ~ 2.318 -
II. Public POCs for CVE-2021-21686
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III. Intelligence Information for CVE-2021-21686
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IV. Related Vulnerabilities
V. Comments for CVE-2021-21686

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