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Fencer Vulns
critical 9.4

CVE-2023-1834 json

Rockwell Automation Kinetix 5500 Vulnerable to Open Port Exploitation

published 2023-05-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24036

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

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

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-131-09 updated cvss 9.4

Rockwell Automation Kinetix 5500

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

  • Rockwell Automation Kinetix 5500 EtherNet/IP Servo Drive

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.