CVE-2018-6947
An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and…
Does this matter?
2 public exploits are published in Exploit-DB and the impact is high, while EPSS rates exploitation at 3.1%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
An uninitialised stack variable in the nxfuse component that is part of the Open Source DokanFS library shipped with NoMachine 6.0.66_2 and earlier allows a local low privileged user to gain elevation of privileges on Windows 7 (32 and 64bit), and denial of service for Windows 8 and 10.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.09% probability · 88th percentile
- Public exploits
- 2 in Exploit-DB · first 22 February 2018
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- nomachine/nomachine · microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8
- Source
- cve@mitre.org
EPSS 3.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://www.exploit-db.com/exploits/44167/Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/44168/Third Party Advisory, VDB Entry
- https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/Third Party Advisory
- https://www.nomachine.com/SU02P00194Vendor Advisory
- https://www.nomachine.com/SU02P00195Vendor Advisory
- https://www.nomachine.com/TR02P08408Vendor Advisory
- https://www.exploit-db.com/exploits/44167/Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/44168/Third Party Advisory, VDB Entry
- https://www.fidusinfosec.com/nomachine-road-code-execution-without-fuzzing-cve-2018-6947/Third Party Advisory
- https://www.nomachine.com/SU02P00194Vendor Advisory
- https://www.nomachine.com/SU02P00195Vendor Advisory
- https://www.nomachine.com/TR02P08408Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.