CVE-2025-11156— Improper Service Loading Vulnerability in Netskope Endpoint DLP Driver
Quick assessment
Affected
Netskope Netskope Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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Windows系统上的代理NS Client允许本地特权用户不当加载驱动程序，可能导致系统崩溃和拒绝服务。
Possible ATT&CK Techniques 1 AI
T1562.001
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I. Basic Information for CVE-2025-11156
Vulnerability Information
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Vulnerability Title
Improper Service Loading Vulnerability in Netskope Endpoint DLP Driver
Source: CVE Program / CVE List V5
Vulnerability Description
Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, a local, authenticated user with Administrator privileges can improperly load the driver as a generic kernel service. This triggers the flaw, causing a system crash (Blue-Screen-of-Death) and resulting in a Denial of Service (DoS) for the affected machine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
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Windows系统上的代理NS Client允许本地特权用户不当加载驱动程序，可能导致系统崩溃和拒绝服务。
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 ~ R132 | - |
|
II. Public POCs for CVE-2025-11156
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Netskope Client
-
CVE-2025-15642
Netskope Client Service Insufficient Access Controls -
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Contr -
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
-
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Netskope Endpoint DLP Driver Integer Overflow Leading to Ker -
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Netskope Endpoint DLP Service Out-of-Bounds Read Leading to -
CVE-2025-15642
Netskope Client Service Insufficient Access Controls -
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Contr
Same weakness: CWE-476
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V. Comments for CVE-2025-11156
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