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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
Operating System: Network Appliance
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2017-7919
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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.
Equipment: XPS-Cx, XPS-Qx
Vulnerability: Improper Authentication
The following versions of XPS-Cx and XPS-Qx, a universal motion controller,
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
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
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.
IMPROPER AUTHENTICATION CWE-287
An attacker may bypass authentication by accessing a specific uniform resource
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
For any questions related to this report, please contact ICS-CERT at:
Email: email@example.com (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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