CVE-2023-27854
CVE-2023-27854 is a high-severity vulnerability in Rockwellautomation Arena with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Rockwellautomation Arena
- Published:
- Last modified:
Description
An arbitrary code execution vulnerability was reported to Rockwell Automation in Arena Simulation that could potentially allow a malicious user to commit unauthorized arbitrary code to the software by using a memory buffer overflow. 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.
Frequently asked questions
- What is CVE-2023-27854?
- An arbitrary code execution vulnerability was reported to Rockwell Automation in Arena Simulation that could potentially allow a malicious user to commit unauthorized arbitrary code to the software by using a memory buffer overflow. 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 severe is CVE-2023-27854?
- CVE-2023-27854 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-27854 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27854?
- CVE-2023-27854 affects Rockwellautomation Arena. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27854?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-27854 published?
- CVE-2023-27854 was published on 2023-10-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:rockwellautomation:arena:*:*:*:*:*:*:*:*
More vulnerabilities in Rockwellautomation Arena
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- CVE-2025-7025 — High (CVSS 7.8): A memory abuse issue exists in the Rockwell Automation Arena® Simulation. A custom file can force Arena Simulation to…
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