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Fencer Vulns
high 7.8

CVE-2022-3156 json

Rockwell Automation Studio 5000 Logix Emulate Vulnerable to a Remote Code Execution Vulnerability

published 2022-12-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42580

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

A remote code execution vulnerability exists in Rockwell Automation Studio 5000 Logix Emulate software.  Users are granted elevated permissions on certain product services when the software is installed. Due to this misconfiguration, a malicious user could potentially achieve remote code execution on the targeted software.

Patch / fix

  • rockwellautomation studio_5000_logix_emulate 34.00

Vendor advisories

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

cisa ICSA-22-356-02 updated cvss 7.8

Rockwell Automation Studio 5000 Logix Emulate

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
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Rockwell Automation Studio 5000 Logix Emulate

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.