CVE-2023-2443

Name: CVE-2023-2443
Creator: NVD / NIST
Published: 2023-05-11T19:15:09.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2023-2443 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Rockwell Automation ThinManager product allows the use of medium strength ciphers. If the client requests an insecure cipher, a malicious actor could potentially decrypt traffic sent between the client and server API. . EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Rockwell Automation ThinManager product allows the use of medium strength ciphers. If the client requests an insecure cipher, a malicious actor could potentially decrypt traffic sent between the client and server API.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.67%

47.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Rockwellautomation	Thinmanager	<= 13.0

References

https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1139442Permissions Required, Vendor Advisory
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1139442Permissions Required, Vendor Advisory

Timeline

Published: May 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2443?

How severe is CVE-2023-2443?

CVE-2023-2443 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2443?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2443?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST