HOME VULNERABILITIESCVE-2016-2031

CRITICAL

CVE-2016-2031

CWE-20Published: January 31, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

Technical Analysis

CVE-2016-2031 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected Vendors & Products

arubanetworks3 product(s)

airwavearuba instantarubaos

siemens2 product(s)

scalance w1750d firmwarescalance w1750d

Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/136997/Aruba-Authentication-Bypass-Insecure-Transport-Tons-Of-Issues.html

ADVISORYhttp://seclists.org/fulldisclosure/2016/May/19

ADVISORYhttp://www.arubanetworks.com/assets/alert/ARUBA-PSA-2016-004.txt

ADVISORYhttps://cert-portal.siemens.com/productcert/pdf/ssa-431802.pdf

ADVISORYhttp://packetstormsecurity.com/files/136997/Aruba-Authentication-Bypass-Insecure-Transport-Tons-Of-Issues.html

ADVISORYhttp://seclists.org/fulldisclosure/2016/May/19

ADVISORYhttp://www.arubanetworks.com/assets/alert/ARUBA-PSA-2016-004.txt

ADVISORYhttps://cert-portal.siemens.com/productcert/pdf/ssa-431802.pdf

All References (10)

→

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

Quick Facts

CVE IDCVE-2016-2031

CVSS Score9.8 / 10

SeverityCRITICAL

WeaknessCWE-20

CISA KEVNo

Affected2 vendor(s)

PublishedJan 31, 2020

Related CVEs (CWE-20)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2016-2031 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.

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