{"cve":"CVE-2023-27854","nvd":{"published":"2023-10-27T19:15:41.157","modified":"2026-06-17T05:45:58.217","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-125"],"references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1141145","https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1141145"],"products":["rockwellautomation:arena"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-27854","score":0.00273,"percentile":0.19703,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}