Is CVE-2022-3156 actively exploited?

No active exploitation of CVE-2022-3156 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-3156 be exploited remotely?

No. CVE-2022-3156 requires local access to exploit.

What is the CVSS score of CVE-2022-3156?

CVE-2022-3156 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2022-3156

CWE-287Published: December 27, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-3156 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.