5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
36.9%
**ATTENTION:**Low skill level to exploit.
Vendor: SIMPlight
Equipment: SCADA Software
**Vulnerability:**Uncontrolled Search Path Element
The following versions of SIMPlight SCADA software, software for building management systems and automated facilities, are affected:
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code.
SIMPlight has not responded to requests to work with NCCIC/ICS-CERT to mitigate this vulnerability.
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of this vulnerabilities. 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.
In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target this vulnerability. This vulnerability is not remotely exploitable.
The uncontrolled search path element vulnerability has been identified, which may allow an attacker to place a malicious DLL file within the search path resulting in execution of arbitrary code.
CVE-2017-9661 has been assigned to this vulnerability. A CVSS v3 base score of 7.0 has been assigned; the CVSS vector string is (AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Karn Ganeshen reported this vulnerability to ICS-CERT.
Critical Infrastructure Sector(s): Chemical, Commercial Facilities, Critical Manufacturing, Defense Industrial Base, Energy, Food and Agriculture, Government Facilities, Healthcare and Public Health, Nuclear Reactors, Materials, and Waste
Countries/Areas Deployed: Unknown
Company Headquarters Location: Russia
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9661
cwe.mitre.org/data/definitions/427.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=SIMPlight%20SCADA%20Software+https://www.cisa.gov/news-events/ics-advisories/icsa-17-222-01
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-17-222-01&title=SIMPlight%20SCADA%20Software
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:N/UI:R/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-17-222-01
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-17-222-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=SIMPlight%20SCADA%20Software&body=www.cisa.gov/news-events/ics-advisories/icsa-17-222-01
5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
36.9%