CVE-2023-4996
Local privilege escalation
- Published
- Updated
- Reserved
- Assigned by
- Netskope
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NetskopeCNA (assigner) | 3.1 | Medium6.6 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.45% · top 61% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.
Weakness
Affected products
- affected 100 & prior
What to do
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
Exploitation: Netskope is not aware of any public exploitations of the issue till the advisory is published.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4996)Record last updated .