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CVE-2021-47949— CyberPanel 2.1 Authenticated Remote Code Execution via Symlink Attack

CVSS 8.8 · High EPSS 0.53% · P42

Affected Version Matrix 1

VendorProductVersion RangeStatus
CyberpanelCyberPanel<= 2.1affected
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I. Basic Information for CVE-2021-47949

Vulnerability Information
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Vulnerability Title
CyberPanel 2.1 Authenticated Remote Code Execution via Symlink Attack
Source: CVE Program / CVE List V5
Vulnerability Description
CyberPanel 2.1 contains a command execution vulnerability that allows authenticated attackers to read arbitrary files and execute remote code by exploiting symlink attacks through the filemanager controller endpoint. Attackers can manipulate the completeStartingPath parameter in POST requests to /filemanager/controller to create symbolic links, read sensitive files like database credentials, and execute arbitrary shell commands through the /websites/fetchFolderDetails endpoint.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
CyberPanel 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CyberPanel是Usman Nasir个人开发者的一款内置了DNS和电子邮件服务器的虚拟主机控制面板。 CyberPanel 2.1版本存在后置链接漏洞，该漏洞源于filemanager控制器端点存在命令执行，可能导致经过身份验证的攻击者通过利用符号链接攻击读取任意文件并执行远程代码。
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
CyberpanelCyberPanel <= 2.1 -

II. Public POCs for CVE-2021-47949

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III. Intelligence Information for CVE-2021-47949

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Vendor Advisories for CVE-2021-47949 (1)

Exploits & Public PoCs for CVE-2021-47949 (1)

Vendor Pages for CVE-2021-47949 (2)

IV. Related Vulnerabilities

Same product: CyberPanel
Same weakness: CWE-59

V. Comments for CVE-2021-47949

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