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             AUSCERT External Security Bulletin Redistribution

             Advisory (ICSA-17-178-01) Newport XPS-Cx, XPS-Qx
                               28 June 2017


        AusCERT Security Bulletin Summary

Product:           Newport XPS-Cx, XPS-Qx
Publisher:         ICS-CERT
Operating System:  Network Appliance
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7919  

Original Bulletin: 

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Advisory (ICSA-17-178-01)

Newport XPS-Cx, XPS-Qx

Original release date: June 27, 2017

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CVSS v3 7.5

ATTENTION: Remotely exploitable/low skill level to exploit.

Vendor: Newport

Equipment: XPS-Cx, XPS-Qx

Vulnerability: Improper Authentication


The following versions of XPS-Cx and XPS-Qx, a universal motion controller, 
are affected:

XPS-Cx all versions, and

XPS-Qx all versions.


Successful exploitation of this vulnerability may allow an attacker to view 
and edit settings without authenticating by accessing a specific uniform 
resource locator (URL).


Newport reports that this issue will be addressed in the next generation 
XPS-Dx controller.

NCCIC/ICS-CERT and Newport recommend that users take defensive measures to 
minimize the risk of exploitation of this vulnerability. Specifically, users 

Not connect control components and control networks to an open network such as
the Internet or an office network. Newport recommends putting control 
components and control networks behind a firewall.

Limit physical and electronic access to all automation components to 
authorized personnel only.

Change the default passwords before first use. This will reduce the risk of 
unauthorized access to systems.

Regularly change passwords. This will reduce the risk of unauthorized access 
to systems.

If remote access to control components and control networks is required, use a
Virtual Private Network (VPN).

Regularly perform threat analyses. Check whether the measures taken meet 
company security requirements.

Use defense-in-depth mechanisms in the systems security configuration to 
restrict the access to and control of individual products and networks.

Minimize network exposure for all control system devices and/or systems and 
ensure that they are not accessible from the Internet.

Locate control system networks and remote devices behind firewalls and isolate
them from the business network.

ICS-CERT reminds organizations to perform proper impact analysis and risk 
assessment prior to deploying defensive measures.

ICS-CERT also provides a section for control systems security recommended 
practices on the ICS-CERT web page. Several recommended practices are 
available for reading and download, including Improving Industrial Control 
Systems Cybersecurity with Defense-in-Depth Strategies.

Additional mitigation guidance and recommended practices are publicly 
available in the ICSCERT Technical Information Paper, 
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation 
Strategies, that is available for download from the ICS-CERT web site.

Organizations observing any suspected malicious activity should follow their 
established internal procedures and report their findings to ICS-CERT for 
tracking and correlation against other incidents.

No known public exploits specifically target this vulnerability.



An attacker may bypass authentication by accessing a specific uniform resource
locator (URL).

CVE-2017-7919 has been assigned to this vulnerability. A CVSS v3 base score of
7.5 has been assigned; the CVSS vector string is 


Maxim Rupp identified the vulnerability.


Critical Infrastructure Sector: Critical Manufacturing

Countries/Areas Deployed: Worldwide

Company Headquarters Location: United States

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov (link sends e-mail)

Toll Free: 1-877-776-7585

International Callers: (208) 526-0900

For industrial control systems security information and incident reporting: 

ICS-CERT continuously strives to improve its products and services. You can 
help by choosing one of the links below to provide feedback about this 

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