CVE-2016-2031

highpriority · track · 41EPSS 0.051 · 92 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

5.12% (92nd) EPSS

CVSS 7.5 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

Multiple vulnerabilities exists in Aruba Instate before 4.1.3.0 and 4.2.3.1 due to insufficient validation of user-supplied input and insufficient checking of parameters, which could allow a malicious user to bypass security restrictions, obtain sensitive information, perform unauthorized actions and execute arbitrary code.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSCALANCE W1750Dcisa_csaf_ot
Update to the latest firmware version and find further instructions in the the document 'Control Plane Security Best Practices' available at https://support.industry.siemens.com/cs/ww/en/view/109782770/. Depending on network configuration and risk tolerance, no action may be required.
https://support.industry.siemens.com/cs/ww/en/view/109782770/

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · CISA US

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (8)

Products and version ranges known to be affected.

Siemens SCALANCE W1750D: All versionsall versionscisa_csaf_otUS
Siemens SCALANCE W1750D≤ vers:all/*cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
arubanetworks airwave< 8.2.0.0nvdUScpe:2.3:a:arubanetworks:airwave:*:*:*:*:*:*:*:*
arubanetworks aruba instant< 4.1.3.0nvdUScpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:*
arubanetworks aruba instant= 4.2.3.1nvdUScpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:*
arubanetworks arubaosall versionsnvdUScpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*
siemens scalance w1750d firmwareall versionsnvdUScpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-315-05Siemens SCALANCE W 1750D2020-11-10icsa · cisa_csaf_otUS
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2020-01-31modified 2026-06-17

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references (19)

External citations — patches, advisories, analysis.

scry

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