CVE-2023-39107

critical

Description

An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client for macOS before v8.8.1 allows attackers to overwrite root-owned files by using hardlinks.

References

https://www.ns-echo.com/posts/nomachine_afo.html

https://kb.nomachine.com/TR07U10948

https://kb.nomachine.com/SU07U00247

Details

Source: Mitre, NVD

Published: 2023-08-04

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.0071