CVE-2018-6384
CVE-2018-6384 is a high-severity vulnerability in Nsclient Nsclient++ with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-428
- Affected product: Nsclient Nsclient++
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-6384?
- CVE-2018-6384 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6384 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6384?
- CVE-2018-6384 affects Nsclient Nsclient++. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-6384?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-6384 published?
- CVE-2018-6384 was published on 2018-01-31 and last updated on 2026-06-17.
References
- https://nsclient.org/blog/2018/01/30/CVE-2018-6384-0.3.9/
- https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_nsclient_-_cve-2018-6384.pdf
Affected products (1)
- cpe:2.3:a:nsclient:nsclient\+\+:*:*:*:*:*:*:*:*
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