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TI-2023-20294 Aliases CVE-2023-39107GHSA-wmw3-mpr6-r79j

An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client…

Priority HIGH 80CWE-59Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01217 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:*before 8.8.1VulnerableNoMachine
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:* Versions before 8.8.1 Vulnerable ·NoMachine
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39107
  2. 2026-10-03 Alias added: GHSA-wmw3-mpr6-r79j

References

Exploit 1

Advisory 1

Other 1

  • TI-2018-00619 Improper input validation in NoMachine App for Android CVSS 3.0CRITICAL 9.8
  • TI-2017-09455 An unspecified server utility in NoMachine before 5.3.10 on Mac OS X and Linux allows… CVSS 3.0HIGH 8.8
  • TI-2018-12800 NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a… CVSS 3.0HIGH 7.8
  • TI-2018-05073 An uninitialised stack variable in the nxfuse component that is part of the Open Source… CVSS 3.0HIGH 7.8
  • TI-2025-07885 Uncontrolled search path in NoMachine CVSS 3.0HIGH 7.8
  • TI-2024-06718 Uncontrolled search path in NoMachine CVSS 3.1HIGH 7.8
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences