CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
EPSS
Percentile
39.4%
Successful exploitation of this vulnerability could create a denial-of-service condition or allow attackers unauthorized access to the device.
The following versions of Kinetix 5500 EtherNet/IP Servo Drive, an industrial control router, are affected:
3.2.1 IMPROPER ACCESS CONTROL CWE-284
Rockwell Automation Kinetix 5500 devices manufactured between May 2022 and January 2023 running Version 7.13 have telnet and file transfer protocol (FTP) ports open by default. This could allow an attacker access to the device.
CVE-2023-1834 has been assigned to this vulnerability. A CVSS v3 base score of 9.4 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H).
Rockwell Automation reported this vulnerability to CISA.
Rockwell Automation recommends users upgrade the firmware of their affected devices to version 7.14 or later.
Rockwell Automation recommends users follow their security best practices.
For additional information, refer to Rockwell Automationβs Security Bulletin.
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-12-146-01BβTargeted 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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-1834
cisa.gov/ics
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cwe.mitre.org/data/definitions/284.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
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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