Netskope
CVE-2023-4996
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Permission preservation
|
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
Netskope was made aware of a security vulnerability in its NSClient product for version 100 & prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-281. Netskope was made aware of a security vulnerability in its NSClient product for version 100 & prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service. Affected products include: Netskope. Version information: version 100.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Netskope was made aware of a security vulnerability in its NSClient product for version 100 & prior where a malicious non-admin user can disable the Netskope client by using a specially-crafted package. The root cause of the problem was a user control code when called by a Windows ServiceController did not validate the permissions associated with the user before executing the user control code. This user control code had permissions to terminate the NSClient service.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an unauthenticated user to inject malicious p
Privilege escalation and arbitrary code execution affect Netskope Endpoint DLP (EPDLP) on Windows, where a privileged lo
Netskope was notified about a security gap in Netskope Client enrollment process where NSClient is using a static token
The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start variou
The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts
The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts
Anti-tampering bypass in Netskope Client for Windows (all versions prior to R138) allows a local administrator to send c
Tamper Protection bypass in Netskope Client for Windows allows a malicious local administrator to disable or subvert the
The Endpoint DLP kernel driver (epdlpdrv.sys) in Netskope Client for Windows before release R141 exposes two overlapping
Netskope was notified about a potential gap in its Endpoint DLP Module for Netskope Client on Windows systems.
Netskope's Endpoint DLP Module for Windows is vulnerable to an integer overflow in its DLL Injector that can be triggere
Out-of-bounds heap read in Netskope Client's Endpoint DLP (EPDLP) service allows a local unprivileged user to crash the
GitHub PoC
Exploit-DB