CVE-2023-4996

Local privilege escalation

Published Nov 6, 2023 CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Description
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. 

Remediation

Vendor Solution

Netskope patched the issue and released a new version. The issue was fixed in Release101. Customers are recommended to upgrade their client to the versions R101 or greater. Netskope download Instructions – Download Netskope Client and Scripts – Netskope Support https://support.netskope.com/s/article/Download-Netskope-Client-and-Scripts

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-54826 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. 
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Netskope
Published
Updated
Sep 5, 2024, 3:19 PM
Reserved
Sep 15, 2023, 12:39 PM
Status
Modified
Published
Nov 6, 2023, 11:15 AM
Modified
Jun 17, 2026, 6:39 AM