Security Resilience

CVE-2023-27858

Memory Safety in Rockwellautomation Arena ≤ 16.20.02

Published
27 October 2023
Modified
17 December 2024
Patch / advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0025 15th percentile
Risk Priority 56 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-27858 is a high-severity Access of Uninitialized Pointer (CWE-824) vulnerability in Rockwellautomation Arena. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steganography (T1001.002); ranked at the 15th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

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…

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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.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.002 Steganography Command And Control
Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
T1003.006 DCSync Credential Access
Adversaries may attempt to access credentials and other sensitive information by abusing a Windows Domain Controller's application programming interface (API)(Citation: Microsoft DRSR Dec 2017) (Citation: Microsoft GetNCCChanges) (Citati…
T1003.007 Proc Filesystem Credential Access
Adversaries may gather credentials from the proc filesystem or `/proc`.
T1003.008 /etc/passwd and /etc/shadow Credential Access
Adversaries may attempt to dump the contents of <code>/etc/passwd</code> and <code>/etc/shadow</code> to enable offline password cracking.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-21919Same product: Rockwellautomation Arena
CVE-2025-2286Same product: Rockwellautomation Arena
CVE-2025-2285Same product: Rockwellautomation Arena
CVE-2025-2287Same product: Rockwellautomation Arena
CVE-2025-3289Same product: Rockwellautomation Arena
CVE-2024-11157Same product: Rockwellautomation Arena
CVE-2026-8085Same product: Rockwellautomation Arena
CVE-2024-21913Same product: Rockwellautomation Arena
CVE-2025-6377Same product: Rockwellautomation Arena
CVE-2025-2288Same product: Rockwellautomation Arena

Affected Assets

rockwellautomation
arena
≤ 16.20.02

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly prevent uninitialized pointer bugs via coding standards, analysis, and reviews, but eliminating this single weakness only partially fulfills the broader control.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

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References