What is CVE-2018-16417?

CVE-2018-16417 is a high-severity vulnerability in Arubanetworks Instant, classified under Command Injection. CVSS score: 7.5/10. Published 2019-10-30.

How severe is CVE-2018-16417?

High severity. CVSS v3 base score is 7.5 out of 10.

RCE in Arubanetworks Instant

CVE-2018-16417

Aruba Instant 4.x prior to 6.4.4.8-4.2.4.12, 6.5.x prior to 6.5.4.11, 8.3.x prior to 8.3.0.6, and 8.4.x prior to 8.4.0.1 allows Command injection.

Vulnerability class: Command Injection (OS Command Injection)

Published 2019-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.033 (88.6th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-001.txt (Vendor Advisory)
cert-portal.siemens.com/productcert/pdf/ssa-549547.pdf (Third Party Advisory)
www.securityfocus.com/bid/108374 (VDB Entry, Third Party Advisory, vdb-entry)
www.us-cert.gov/ics/advisories/ICSA-19-134-07 (US Government Resource, Third Party Advisory, Mitigation)
www.anquanke.com/vul/id/1652568 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-16417?: CVE-2018-16417 is a high-severity vulnerability in Arubanetworks Instant, classified under Command Injection. CVSS score: 7.5/10. Published 2019-10-30.
How severe is CVE-2018-16417?: High severity. CVSS v3 base score is 7.5 out of 10.