Open Ports Vulnerability in Kinetix 5500 EtherNet/IP Servo Drive

Affected Products

Affected Product	First Known in Firmware Revision	Corrected in Firmware Revision
Kinetix 5500 manufactured between May 2022 and January 2023 *The manufacturing date of the drive is stated on the product label.	v7.13	Customers should upgrade to versions v7.14 or later to close the ports, which mitigates this issue.

Security Issue Details

Rockwell Automation uses the latest version of the CVSS scoring system to assess security issues..

CVE-2023-1834 IMPACT
Rockwell Automation was made aware that Kinetix® 5500 drives, manufactured between May 2022 and January 2023 that are running v7.13. These may have the telnet and FTP ports open by default.  This could potentially allow attackers unauthorized access to the device through the open ports.

CVSS Base Score: 9.4/10
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CWE: CWE 284 Improper Access Control

Known Exploited Vulnerability (KEV) database: No

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Risk Mitigation & User Action

Customers using the affected drives should use the risk mitigations and our suggested security best practices to minimize risks..

• Upgrade to v7.14
• QA43240 - Recommended Security Guidelines from Rockwell Automation

Additional Resources

• CVE-2023-1834 JSON

Glossary

FTP: (File Transfer Protocol) uses two primary ports for its operations: Port 21 and Port 20. These ports play distinct roles in facilitating file transfers between clients and servers.

Known Exploited Vulnerability (KEV) database: an official list of security flaws that attackers have actively exploited

Telnet: Teletype Network and is a client/server application protocol that provides access to virtual terminals of remote systems on local area networks or the Internet