CVE-2023-4996 Local privilege escalation

What is CVE-2023-4996?

CVE-2023-4996 is a medium-severity vulnerability in Netskope Client, published on 6 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-281

Which versions are affected by CVE-2023-4996?

It affects 1 product.

Products include Netskope Netskope.

How do I fix CVE-2023-4996?

No fix has been published for CVE-2023-4996 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-4996 being exploited?

There is no known exploitation of CVE-2023-4996 in the wild and no public exploit code.

Other vulnerabilities in Netskope Client

• CVE-2020-24576 Privilege escalation in n/a High 8.8
• CVE-2024-7401 Client Enrollment Process Bypass High 8.5
• CVE-2021-44862 Sensitive Information store in NSClient logs High 8.4
• CVE-2021-41388 Privilege escalation in n/a High 7.8
• CVE-2020-28845 Code injection in n/a High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-ccf8-r983-v699.