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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- 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
- 0.77% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-428
- Affected
- nsclient/nsclient\+\+
- Source
- cve@mitre.org
EPSS 0.8% 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.
References
- https://nsclient.org/blog/2018/01/30/CVE-2018-6384-0.3.9/Vendor Advisory
- https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_nsclient_-_cve-2018-6384.pdfExploit, Third Party Advisory
- https://nsclient.org/blog/2018/01/30/CVE-2018-6384-0.3.9/Vendor Advisory
- https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_nsclient_-_cve-2018-6384.pdfExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.