CVE-2016-2031

Name: CVE-2016-2031
Creator: NVD / NIST
Published: 2020-01-31T20:15:10.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.12%

Last modified Jun 17, 2026

CVE-2016-2031 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 5.12% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.12%

91.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Arubanetworks	Airwave	< 8.2.0.0
Arubanetworks	Aruba Instant	< 4.1.3.0
Arubanetworks	Aruba Instant	4.2.3.1
Arubanetworks	Arubaos	All versions
Siemens	Scalance W1750d Firmware	All versions

References

http://packetstormsecurity.com/files/136997/Aruba-Authentication-Bypass-Insecure-Transport-Tons-Of-Issues.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2016/May/19Exploit, Mailing List, Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2016-004.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-431802.pdfThird Party Advisory
https://www.securityfocus.com/bid/90207Broken Link
http://packetstormsecurity.com/files/136997/Aruba-Authentication-Bypass-Insecure-Transport-Tons-Of-Issues.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2016/May/19Exploit, Mailing List, Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2016-004.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-431802.pdfThird Party Advisory
https://www.securityfocus.com/bid/90207Broken Link

Timeline

Published: Jan 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2031?

How severe is CVE-2016-2031?

CVE-2016-2031 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.12% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2031?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2031?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST