2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
0.4%
Successful exploitation of these vulnerabilities could allow an attacker to escalate their privileges.
The following product is affected:
The affected product allows a local authenticated user to modify system-wide iFIX configurations through the registry. This may allow privilege escalation.
CVE-2019-18243 has been assigned to this vulnerability. A CVSS v3 base score of 6.1 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).
The affected product allows a local authenticated user to modify system-wide iFIX configurations through section objects. This may allow privilege escalation.
CVE-2019-18255 has been assigned to this vulnerability. A CVSS v3 base score of 6.1 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).
William Knowles of Applied Risk reported these vulnerabilities to CISA. Sharon Brizinov of Claroty also reported these vulnerabilities separately to GE.
GE Digital recommends users immediately upgrade all instances of the affected software to GE Digitalβs iFIX product v6.5. GE Digital believes the upgrade contains security enhancements that will help mitigate the risk that the vulnerabilities may be exploited by an attacker.
Please contact your GE Digital Channel representative or email [email protected]
GE Digital also recommends the following for further reduction of risk:
For more information refer to GE Digital Product Security Advisory.
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on us-cert.cisa.gov. 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 webpage on us-cert.cisa.gov 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 CISA for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-18243
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-18255
cwe.mitre.org/data/definitions/732.html
cwe.mitre.org/data/definitions/732.html
digitalsupport.ge.com/communities/en_US/Article/GE-Digital-Security-Advisory-GED-21-01
ge-ip.force.com/communities/en_US/Documentation/iFIX-Secure-Deployment-Guide?Type=Documentation__kav&Id=ka30h0000004dOO
ge-ip.my.salesforce.com/kA31A000000TdOq
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=GE%20Digital%20HMI/SCADA%20iFIX+https://www.cisa.gov/news-events/ics-advisories/icsa-21-040-01
us-cert.cisa.gov/ics
us-cert.cisa.gov/ics
us-cert.cisa.gov/ics/recommended-practices
us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B
us-cert.cisa.gov/ncas/tips/ST04-014
us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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-21-040-01&title=GE%20Digital%20HMI/SCADA%20iFIX
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
www.instagram.com/cisagov
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www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-21-040-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=GE%20Digital%20HMI/SCADA%20iFIX&body=www.cisa.gov/news-events/ics-advisories/icsa-21-040-01
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:L/Au:N/C:N/I:P/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
0.4%