CVE-2023-4996 - CVE House

Back to Database

Status published Medium CVE-2023-4996

Local privilege escalation

6.6 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-4996

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Netskope credits Alexander Katziv from Novartis for reporting this flaw.

References

https://www.netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2023-003

More from Netskope

View All →

Heap Overflow in Netskope Endpoint DLP Driver

Out-of-Bounds Read Vulnerability in Netskope Client

Netskope Client Service Insufficient Access Controls

Netskope Client Exposed IOCTL with Insufficient Access Controls

Endpoint DLP Driver Filter Communication Port Integer Overflow

Affected Vendor

Netskope

View all reports →

Affected Software

Netskope Client

Vulnerable Versions:

100 & prior

Timeline

Official Publish: November 6th, 2023

Last Modified: September 5th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.