CVE-2025-15641— Netskope Client Exposed IOCTL with Insufficient Access Controls
Possible ATT&CK Techniques 2AI
T1055 · Process Injection T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Netskope | Netskope Client | < 138 | affected |
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I. Basic Information for CVE-2025-15641
Vulnerability Information
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Vulnerability Title
Netskope Client Exposed IOCTL with Insufficient Access Controls
Source: NVD (National Vulnerability Database)
Vulnerability Description
Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s) * Product Name: Netskope Client * Affected Platform: Windows * Affected Version: All version below R138
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netskope Client 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netskope Client是Netskope公司的一款用于连接管理Netskope云平台的客户端程序。 Netskope Client R138之前版本存在权限许可和访问控制问题漏洞，该漏洞源于潜在IOCTL处理问题，可能导致具有管理员权限的恶意内部人员发送特制IOCTL请求到驱动程序，从而绕过NSClient的所有防篡改保护。
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 ~ 138 | - |
II. Public POCs for CVE-2025-15641
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-15641 (1)
IV. Related Vulnerabilities
Same product: Netskope Client
- CVE-2025-15642
Netskope Client Service Insufficient Access Controls - CVE-2025-11156
Improper Service Loading Vulnerability in Netskope Endpoint - CVE-2025-5942
Heap Overflow in Netskope Endpoint DLP Driver - CVE-2025-0309
Netskope Client Local Elevation of Privileges - CVE-2025-5941
Out-of-Bounds Read Vulnerability in Netskope Client
Same vendor: Netskope
- CVE-2025-15642
Netskope Client Service Insufficient Access Controls - CVE-2026-2810
Endpoint DLP Driver Out-of-Bounds Read - CVE-2026-2809
Endpoint DLP Driver DLL - CVE-2025-15584
Endpoint DLP Driver Filter Communication Port Integer Overfl - CVE-2025-11156
Improper Service Loading Vulnerability in Netskope Endpoint
V. Comments for CVE-2025-15641
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