CVE-2018-6384 — Unquoted Windows search path vulnerability in NSClient++ before 0.4.1.73 allows non-privileged local users to execute arbitrary code with elevated privileges on the system via a malicious program.exe executable in the %SYSTEMDRIVE% folder

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HIGH

Unquoted Windows search path vulnerability in NSClient++ before 0.4.1.73 allows non-privileged local users to execute arbitrary code with elevated privileges on the system via a malicious program.exe executable in the %SYSTEMDRIVE% folder

Published Jan 31, 2018

7.8

HIGH

CVSS 3.0

EPSS 0.77%

Description

Unquoted Windows search path vulnerability in NSClient++ before 0.4.1.73 allows non-privileged local users to execute arbitrary code with elevated privileges on the system via a malicious program.exe executable in the %SYSTEMDRIVE% folder.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.77% 0.00773

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00773

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (8 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.77% (0.00773)	54.07th	v5 (v2026.06.15)
Sep 20, 2026	0.77% (0.00773)	54.20th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00042)	5.06th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	1.10% (0.01102)	53.65th	v2 (v2022.01.01)
Feb 4, 2022	1.00% (0.01005)	17.93th	v2 (v2022.01.01)
Feb 3, 2022	0.58% (0.00584)	13.34th	v5 (v2026.06.15)
Apr 14, 2021	0.58% (0.00584)	0.00th	v1

Weaknesses (1)

CWE-428

References (2)

https://nsclient.org/blog/2018/01/30/CVE-2018-6384-0.3.9/
x_refsource_CONFIRMVendor Advisory
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_nsclient_-_cve-2018-6384.pdf
x_refsource_MISCExploitThird Party Advisory

Link	Providers	Tags
https://nsclient.org/blog/2018/01/30/CVE-2018-6384-0.3.9/		x_refsource_CONFIRMVendor Advisory
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_nsclient_-_cve-2018-6384.pdf		x_refsource_MISCExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 31, 2018

Updated Aug 5, 2024

Reserved Jan 29, 2018

Link CVE-2018-6384

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-6384

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-6384