10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
66.3%
**ATTENTION:**Remotely exploitable/low skill level to exploit.
Vendor: Schneider Electric
Equipment: InduSoft Web Studio, InTouch Machine Edition
Vulnerability: Missing Authentication for Critical Function
Schneider Electric reports that the vulnerability affects the following InduSoft Web Studio products:
Successful exploitation of this vulnerability could allow an attacker to remotely execute arbitrary commands with high privileges.
Schneider Electric recommends users using InduSoft Web Studio v8.0 SP2 or prior should upgrade and apply InduSoft Web Studio v8.0 SP2 Patch 1 as soon as possible. This patch can be found on the Schneider Electric InduSoft web site at the following location:
<http://download.indusoft.com/80.2.1/IWS80.2.1.zip>
Schneider Electric recommends users using InTouch Machine Edition v8.0 SP2 or prior should upgrade and apply InTouch Machine Edition v8.0 SP2 Patch 1 as soon as possible. This patch can be found on Schneider Electricβs Invensys web site at the following location (registration required):
<https://gcsresource.invensys.com/tracking/ConfirmDownload.aspx?id=22453>
For more information on this vulnerability and associated patch, please see InduSoft Security Bulletin LFSEC00000121 on the Schneider Electric cybersecurity web site:
<http://software.schneider-electric.com/support/cyber-security-updates/>
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
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 ICSβCERT Technical Information Paper, ICS-TIP-12-146-01BβTargeted 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.
InduSoft Web Studio provides the capability for an HMI client to trigger script execution on the server for the purposes of performing customized calculations or actions. A remote malicious entity could bypass the server authentication and trigger the execution of an arbitrary command. The command is executed under high privileges and could lead to a complete compromise of the server.
CVE-2017-13997 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Aaron Portnoy, formerly of Exodus Intelligence, discovered and reported this vulnerability to ICS-CERT.
Critical Infrastructure Sectors: Critical Manufacturing, Energy, Healthcare and Public Health, Water and Wastewater Systems
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Paris, France
download.indusoft.com/80.2.1/IWS80.2.1.zip
software.schneider-electric.com/support/cyber-security-updates/
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-13997
cwe.mitre.org/data/definitions/306.html
gcsresource.invensys.com/tracking/ConfirmDownload.aspx?id=22453
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Schneider%20Electric%20InduSoft%20Web%20Studio%2C%20InTouch%20Machine%20Edition+https://www.cisa.gov/news-events/ics-advisories/icsa-17-264-01
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-17-264-01&title=Schneider%20Electric%20InduSoft%20Web%20Studio%2C%20InTouch%20Machine%20Edition
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-17-264-01
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-17-264-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Schneider%20Electric%20InduSoft%20Web%20Studio%2C%20InTouch%20Machine%20Edition&body=www.cisa.gov/news-events/ics-advisories/icsa-17-264-01
10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
66.3%