9.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
24.4%
Successful exploitation of this vulnerability could lead to sensitive information disclosure and full remote access to the affected products.
The following versions of Rockwell Automationโs Enhanced HIM, a communication interface, are affected:
3.2.1 CROSS-SITE REQUEST FORGERY (CSRF) CWE-352
The API the application uses is not protected sufficiently and uses incorrect Cross-Origin Resource Sharing (CORS) settings and, as a result, is vulnerable to a Cross Site Request Forgery (CSRF) attack. To exploit this vulnerability, a malicious user would have to convince a user to click on an untrusted link through a social engineering attack or successfully perform a Cross Site Scripting Attack (XSS). Exploitation of a CSRF could potentially lead to sensitive information disclosure and full remote access to the affected products.
CVE-2023-2746 has been assigned to this vulnerability. A CVSS v3 base score of 9.6 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).
Rockwell Automation reported this vulnerability to CISA.
Rockwell Automation recommends users of the affected software take risk mitigation steps listed below. Users are encouraged, when possible, to combine this guidance with the general security guidelines for a comprehensive defense-in-depth strategy.
To mitigate the vulnerability, users are directed to update to:
Additionally, users should follow Rockwell Automationโs Best Security Practices to mitigate the potential risk of other vulnerabilities.
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-12-146-01BโTargeted 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.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-2746
cisa.gov/ics
cisa.gov/ics
compatibility.rockwellautomation.com/Pages/MultiProductCompareSelections.aspx?crumb=113&versions=61994,59312
cwe.mitre.org/data/definitions/352.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
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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
www.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
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