A command injection vulnerability is present that permits an unauthenticated user with access to the Aruba Instant web interface to execute…

published 2019-05-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18827

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.6%; EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

A command injection vulnerability is present that permits an unauthenticated user with access to the Aruba Instant web interface to execute arbitrary system commands within the underlying operating system. An attacker could use this ability to copy files, read configuration, write files, delete files, or reboot the device. Workaround: Block access to the Aruba Instant web interface from all untrusted users. Resolution: Fixed in Aruba Instant 4.2.4.12, 6.5.4.11, 8.3.0.6, and 8.4.0.1

Patch / fix

fixed in 2

arubanetworks aruba_instant 4.2.4.12, 6.5.4.11, 8.3.0.6, 8.4.0.1
siemens scalance_w1750d_firmware 8.4.0.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-134-07 updated 2019-05-14 cvss 9.8

ICSA-19-134-07 Siemens SCALANCE W1750D

Siemens SCALANCE W1750D <V8.4.0.1
affected: fixed in V8.4.0.1, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

4.63% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Aruba Instant (IAP)

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

arubanetworks.com /assets/alert/ARUBA-PSA-2019-001.txt
vendor-advisory
cert-portal.siemens.com /productcert/pdf/ssa-549547.pdf
third-party-advisory
securityfocus.com /bid/108374
vdb-entry, broken-link, third-party-advisory

Sources

CVE List CVE-2018-7084
NVD CVE-2018-7084

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary