NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-426.
Summary
NoMachine before 5.3.27 and 6.x before 6.3.6 allows attackers to gain privileges via a Trojan horse wintab32.dll file located in the same directory as a .nxs file, as demonstrated by a scenario where the .nxs file and the DLL are in the current working directory, and the Trojan horse code is executed. (The directory could, in general, be on a local filesystem or a network share.).
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17980
- 2026-10-03 Alias added: GHSA-pvq8-5g9r-pf72
References
More Nomachine vulnerabilities
- TI-2023-20294 An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client… CVSS 3.1CRITICAL 9.1
- 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-2018-05073 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
Sources
- CVE-2018-17980 · CVE Program
- CVE-2018-17980 · NVD
- FIRST EPSS
- GHSA-pvq8-5g9r-pf72 · GitHub Advisory Database · CC BY 4.0
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