CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
54.3%
Successful exploitation of this vulnerability could allow an attacker to prevent legitimate access to an affected system node, remotely cause an affected system node to stop, take control of an affected system node, or insert and run arbitrary code in an affected system node.
ABB reports the vulnerability affects the following CP635 HMI products:
The ABB CP635 HMI component implements hidden administrative accounts used during the provisioning phase of the HMI interface.
CVE-2019-7225 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
ABB reported this vulnerability to NCCIC.
ABB recommends users apply the BSP update on affected CP600 control panels at their earliest convenience.
Please see ABB cybersecurity advisory document number 3ADR010376 for more information about this vulnerability, and two other security issues and their mitigations.
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.
search.abb.com/library/Download.aspx?DocumentID=9AKK107492A4167&LanguageCode=de&LanguageCode=en&LanguageCode=es&LanguageCode=fr&LanguageCode=zh&DocumentPartId=&Action=Launch
search.abb.com/library/Download.aspx?DocumentID=BSPCP600UN31V231&LanguageCode=en&DocumentPartId=&Action=Launch
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-7225
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-178-03
cwe.mitre.org/data/definitions/798.html
ics-cert.us-cert.gov/
ics-cert.us-cert.gov/alerts/ICS-ALERT-10-301-01
ics-cert.us-cert.gov/alerts/ICS-ALERT-10-301-01
ics-cert.us-cert.gov/content/recommended-practices
ics-cert.us-cert.gov/tips/ICS-TIP-12-146-01B
library.e.abb.com/public/6b454c20b3a2445ea148a07c46a2f85c/ABB-Advisory_3ADR010376.pdf
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
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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:H/I:H/A:H
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www.oig.dhs.gov/
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www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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mailto:?subject=ABB%20CP635%20HMI&body=www.cisa.gov/news-events/ics-advisories/icsa-19-178-03
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
54.3%