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Vulnerability record · public intelligence
CVE-2023-39107
CRITICAL
CVE-2023-39107
Published Aug 4, 2023 · Updated Oct 23, 2026
Severity · CVSSCRITICAL · 9.1
Known exploitationNot listed
EPSS / likelihood1.22%
QFinch risk score20 / 100
Original summary
Normalized public record · Updated Oct 23, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
CVENVDEPSS
- SSVC priority
- MEDIUM
- Confidence
- 20%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Aug 4, 2023 · Last refreshed Oct 23, 2026