🛡️ CVE-2023-27858 — arena

🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-824 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2023-27858 is classified as CWE-824: Access of Uninitialized Pointer. The product accesses or uses a pointer that has not been initialized.

Affected software

CVE-2023-27858 is recorded against 1 package.

  • arena (fixed in 16.20.02)

Timeline and source

Published on 27 October 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

rockwellautomation.custhelp.com
rockwellautomation.custhelp.com

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-824
Public Exploit ✅ No
Source NVD
Published 2023-10-27
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
arena — 16.20.02

Similar Threats

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