What is CVE-2018-20029?

CVE-2018-20029 is a medium-severity vulnerability in Dokan-Dev Dokany, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2018-12-10.

How severe is CVE-2018-20029?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Dokan-Dev Dokany

CVE-2018-20029

The nxfs.sys driver in the DokanFS library 0.6.0 in NoMachine before 6.4.6 on Windows 10 allows local users to cause a denial of service (BSOD) because uninitialized memory can be read.

Published 2018-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

www.nomachine.com/TR11P08975 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-20029?: CVE-2018-20029 is a medium-severity vulnerability in Dokan-Dev Dokany, classified under Use of Uninitialized Resource. CVSS score: 5.5/10. Published 2018-12-10.
How severe is CVE-2018-20029?: Medium severity. CVSS v3 base score is 5.5 out of 10.