CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
26.4%
Successful exploitation of this vulnerability could allow an unauthorized user to cause denial-of-service condition on a targeted device.
The following Rockwell Automation controllers are affected:
3.2.1 IMPROPER INPUT VALIDATION CWE-20
An unauthorized user could use a specially crafted sequence of Ethernet and IP messages and combine them with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers, resulting in a denial-of-service condition. If the target device becomes unavailable in this condition, a user would have to clear and redownload the user project file to bring the device back online.
CVE-2022-3752 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
Rockwell Automation reported this vulnerability to CISA.
Rockwell Automation released firmware versions addressing this vulnerability and recommends users upgrade to the appropriate version:
Rockwell Automation encourages users to apply mitigations on their security best practices web page to reduce risk.
Users should see the Rockwell Automation security advisory for more information.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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-12-146-01B–Targeted 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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-3752
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-22-342-03
compatibility.rockwellautomation.com/Pages/MultiProductCompareSelections.aspx?crumb=113&versions=61835,61004,61742,60314,59552,61612,59006,58615,58413,57385,59891,57331,57330,60113,57329,57328,57327,58763
compatibility.rockwellautomation.com/Pages/MultiProductCompareSelections.aspx?crumb=113&versions=61855,61019,61769,60332,59555,61676,58616,58321,58319
compatibility.rockwellautomation.com/Pages/ProductReplacement.aspx?crumb=101&restore=1&vid=61606
cwe.mitre.org/data/definitions/20.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
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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
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