CVE-2025-34047— Leadsec VPN Path Traversal Arbitrary File Read
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I. Basic Information for CVE-2025-34047
Vulnerability Information
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Vulnerability Title
Leadsec VPN Path Traversal Arbitrary File Read
Source: NVD (National Vulnerability Database)
Vulnerability Description
A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via the ostype parameter in the /vpn/user/download/client endpoint. This flaw arises from insufficient input sanitation, enabling traversal sequences to escape the intended directory and access sensitive files. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Leadsec SSL VPN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Leadsec SSL VPN是中国网御星云（Leadsec）公司的一款VPN。 Leadsec SSL VPN存在安全漏洞，该漏洞源于对文件/vpn/user/download/client中参数ostype的错误操作导致路径遍历攻击。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Beijing NetGuard Nebula Information Technology Co., Ltd. | Leadsec SSL VPN | 0 | - |
II. Public POCs for CVE-2025-34047
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|---|
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