CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
26.0%
Successful exploitation of this vulnerability could result in a denial-of-service condition causing the server to be unavailable.
Rockwell Automation reports this vulnerability affects the following FactoryTalk Alarm and Events Server:
An unauthenticated attacker with network access to a victimβs Rockwell Automation FactoryTalk Alarm and Events service could open a connection, causing the service to fault and become unavailable. The affected port could be used as a server ping port and uses messages structured with XML.
CVE-2022-38744 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Kaspersky Labs reported this vulnerability to Rockwell Automation.
Rockwell Automation recommends users of the affected software set up IPsec to mitigate this issue as detailed in the deploying FactoryTalk software with IPsec Knowledgebase article. Customers are also directed towards general risk mitigation strategies provided in the Recommended Security Guidelines Knowledgebase Article.
For more information, users should see Rockwell Automationβs Security advisory.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. Specifically, users should:
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 at cisa.gov/ics. Several CISA products detailing cyber defense best 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 at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability is exploitable remotely. This vulnerability has a low attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-38744
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-22-300-01
cwe.mitre.org/data/definitions/284.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137043
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us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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