How severe is CVE-2023-1834?

CVE-2023-1834 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-1834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1834?

CVE-2023-1834 affects Rockwellautomation Kinetix 5500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1834?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-1834 published?

CVE-2023-1834 was published on 2023-05-11 and last updated on 2026-06-17.

CVE-2023-1834

CVE-2023-1834 is a critical-severity vulnerability in Rockwellautomation Kinetix 5500 Firmware with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.4)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Rockwellautomation Kinetix 5500 Firmware
Published: 2023-05-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-1834?: 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.
How severe is CVE-2023-1834?: CVE-2023-1834 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-1834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1834?: CVE-2023-1834 affects Rockwellautomation Kinetix 5500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-1834 published?: CVE-2023-1834 was published on 2023-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:rockwellautomation:kinetix_5500_firmware:7.13:*:*:*:*:*:*:*

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