CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:A/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
21.0%
CVSS v3 4.3
ATTENTION: Exploitable on an adjacent network/low skill level to exploit
Vendor: Johnson Controls
Equipment: Metasys and BCPro
Vulnerability: Information Exposure Through an Error Message
Successful exploitation of this vulnerability could allow an attacker to obtain technical information about the Metasys or BCPro server, allowing an attacker to target a system for attack.
Johnson Controls reports that the vulnerability affects the following products:
3.2.1 INFORMATION EXPOSURE THROUGH AN ERROR MESSAGE CWE-209
This vulnerability results from improper error handling in HTTP-based communications with the server, which could allow an attacker to obtain technical information.
CVE-2018-10624 has been assigned to this vulnerability. A CVSS v3 base score of 4.3 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Dan Regalado of Zingbox reported this vulnerability to NCCIC.
Johnson Controls recommends the following mitigations:
Additional information for Johnson 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-12-146-01B–Targeted 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 this vulnerability.
mailto:[email protected]
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-10624
www.johnsoncontrols.com/buildings/specialty-pages/product-security
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-18-212-02
cwe.mitre.org/data/definitions/209.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Johnson%20Controls%20Metasys%20and%20BCPro+https://www.cisa.gov/news-events/ics-advisories/icsa-18-212-02
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www.facebook.com/CISA
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
www.instagram.com/cisagov
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www.oig.dhs.gov/
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www.youtube.com/@cisagov
mailto:?subject=Johnson%20Controls%20Metasys%20and%20BCPro&body=www.cisa.gov/news-events/ics-advisories/icsa-18-212-02
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:A/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
21.0%