CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
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
AI Score
Confidence
High
EPSS
Percentile
86.9%
CVSS v3 7.4
ATTENTION: Exploitable remotely
Vendor: Johnson Controls
Equipment: Facility Explorer
Vulnerabilities: Path Traversal, Improper Authentication
Successful exploitation of these vulnerabilities could allow an attacker to read, write, and delete sensitive files to gain administrator privileges in the Facility Explorer system.
Facility Explorer leverages Tridium Niagara technology, which is affected by these vulnerabilities. The following versions of Facility Explorer are affected:
3.2.1 IMPROPER LIMITATION OF A PATHNAME TO A RESTRICTED DIRECTORY (βPATH TRAVERSALβ) CWE-22
A path traversal vulnerability exists that an attacker could exploit, in certain circumstances, using valid platform (administrator) credentials to access a file or directory outside of the restricted location.
CVE-2017-16744 has been assigned to this vulnerability. A CVSS v3 base score of 6.6 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H).
3.2.2 IMPROPER AUTHENTICATION CWE-287
In certain circumstances, an attacker could log into the local Facility Explorer platform using a disabled account name and a blank password, gaining administrator access to the Facility Explorer system.
CVE-2017-16748 has been assigned to this vulnerability. A CVSS v3 base score of 7.4 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Tridium reported these vulnerabilities to Johnson Controls; Johnson Controls notified NCCIC.
Johnson Controls has mitigated these vulnerabilities in the following versions. Users should upgrade to one of these product versions (FX14.6 recommended):
For more information, please refer to Johnson Controls Global Product Security at <https://www.johnsoncontrols.com/buildings/specialty-pages/product-security> or send an email to [email protected]
Johnson Controls Services and Support: <https://www.johnsoncontrols.com/buildings/hvac-controls>
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC 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 on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities. High skill level is needed to exploit.
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-022-01
cwe.mitre.org/data/definitions/22.html
cwe.mitre.org/data/definitions/287.html
nvd.nist.gov/vuln/detail/CVE-2017-16744
nvd.nist.gov/vuln/detail/CVE-2017-16748
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Johnson%20Controls%20Facility%20Explorer+https://www.cisa.gov/news-events/ics-advisories/icsa-19-022-01
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-19-022-01&title=Johnson%20Controls%20Facility%20Explorer
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
www.instagram.com/cisagov
www.johnsoncontrols.com/buildings/hvac-controls
www.johnsoncontrols.com/buildings/specialty-pages/product-security
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-19-022-01
www.oig.dhs.gov/
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Johnson%20Controls%20Facility%20Explorer&body=www.cisa.gov/news-events/ics-advisories/icsa-19-022-01
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
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
AI Score
Confidence
High
EPSS
Percentile
86.9%