What is CVE-2023-2443?

CVE-2023-2443 is a high-severity vulnerability in Rockwell Automation Thinmanager, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2023-05-11.

How severe is CVE-2023-2443?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-2443 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Rockwell Automation Thinmanager

CVE-2023-2443

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.

Published 2023-05-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Rockwell Automation Thinmanager — versions <=13.0
Rockwellautomation Thinmanager

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

Public proof-of-concept exploits

derrickhorton/programmatic-vulnerability-remediations

References

rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1139442 (Permissions Required, Vendor Advisory)

Frequently asked questions

What is CVE-2023-2443?: CVE-2023-2443 is a high-severity vulnerability in Rockwell Automation Thinmanager, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2023-05-11.
How severe is CVE-2023-2443?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-2443 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.