Rockwell Automation Arena® Simulation Uninitialized Pointer Vulnerability

published 2023-10-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31593

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

Rockwell Automation Arena Simulation contains an arbitrary code execution vulnerability that could potentially allow a malicious user to commit unauthorized code to the software by using an uninitialized pointer in the application. The threat-actor could then execute malicious code on the system affecting the confidentiality, integrity, and availability of the product. The user would need to open a malicious file provided to them by the attacker for the code to execute.

Patch / fix

fixed in 1

rockwellautomation arena_simulation 16.20.02

Vendor advisories

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

cisa ICSA-23-299-04 updated 2023-10-26 cvss 7.8

Rockwell Automation Arena

Rockwell Automation Arena 16.20.00001
affected: vendor fix, mitigation “Rockwell Automation encourages users to implement their suggested security best practices to minimize exploitation risk of these vulnerabilities.” compatibility.rockwellautomation.com

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: 2 y ago (2024-09-09)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% 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:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Rockwell Automation Arena Simulation
rockwellautomation arena_simulation

Classification

Weakness

CWE-824 Access of Uninitialized Pointer

References

rockwellautomation.custhelp.com /app/answers/answer_view/a_id/1141145
permissions-required, vendor-advisory

Sources

CVE List CVE-2023-27858
NVD CVE-2023-27858

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.

Summary