Is CVE-2024-11156 actively exploited?

No active exploitation of CVE-2024-11156 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-11156 be exploited remotely?

No. CVE-2024-11156 requires local access to exploit.

What is the CVSS score of CVE-2024-11156?

CVE-2024-11156 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2024-11156

HIGH

CVE-2024-11156

CWE-787Published: December 5, 2024· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

An “out of bounds write” code execution vulnerability exists in the

Rockwell Automation Arena®

that could allow a threat actor to write beyond the boundaries of allocated memory in a DOE file. If exploited, a threat actor could leverage this vulnerability to execute arbitrary code. To exploit this vulnerability, a legitimate user must execute the malicious code crafted by the threat actor.

NVD Source

Technical Analysis

CVE-2024-11156 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.