CVE-2025-0309— Netskope Client Local Elevation of Privileges
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I. Basic Information for CVE-2025-0309
Vulnerability Information
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Vulnerability Title
Netskope Client Local Elevation of Privileges
Source: NVD (National Vulnerability Database)
Vulnerability Description
An insufficient validation on the server connection endpoint in Netskope Client allows local users to elevate privileges on the system. The insufficient validation allows Netskope Client to connect to any other server with Public Signed CA TLS certificates and send specially crafted responses to elevate privileges.
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
Netskope Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netskope Client是美国Netskope公司的一款用于连接管理Netskope云平台的客户端程序。 Netskope Client存在安全漏洞，该漏洞源于服务器连接端点验证不足，可能导致本地用户权限提升。
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 |
|---|---|---|---|---|
| Netskope | Netskope Client | 0 ~ 129.0.0 | - |
II. Public POCs for CVE-2025-0309
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Custom IPC Client and Proof of Concept exploit for CVE-2025-0309 (Netskope Windows Client LPE) | https://github.com/AmberWolfCyber/UpSkope | POC Details |
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No public POC found.
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- Breaking Into Your Network? Zer0 Effort. - DEF CON 33 Overviewthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-0309
Same Patch Batch · Netskope · 2025-08-14 · 4 CVEs total
| CVE-2025-5942 | Heap Overflow in Netskope Endpoint DLP Driver | |
| CVE-2025-5941 | Out-of-Bounds Read Vulnerability in Netskope Client | |
| CVE-2024-7402 | Netskope Client Configuration Tampering with Local MITM |
IV. Related Vulnerabilities
Same product: Netskope Client
- CVE-2025-11156
Improper Service Loading Vulnerability in Netskope Endpoint - CVE-2025-5942
Heap Overflow in Netskope Endpoint DLP Driver - CVE-2025-5941
Out-of-Bounds Read Vulnerability in Netskope Client - CVE-2024-7402
Netskope Client Configuration Tampering with Local MITM - CVE-2024-13177
Symlink Following in Netskope Client Postinstall Script
Same vendor: Netskope
V. Comments for CVE-2025-0309
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