{"cve":{"cve_id":"CVE-2023-27854","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00253,"epss_percentile":0.164,"epss_as_of":"2026-06-23","description":"\nAn 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.\n\n\n","published_at":"2023-10-27T18:51:30.505000Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-125"],"nvd_references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1141145"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:28:33.973490Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"rockwell-automation","vendor_name":"Rockwell Automation","product_slug":"arena-simulation","product_name":"Arena® Simulation","version_start":"All versions before 16.20.02 Patch","version_start_inclusive":true,"version_end":"All versions before 16.20.02 Patch","version_end_inclusive":true,"cpe23_uri":"cve5:rockwell-automation:arena-simulation:All versions before 16.20.02 Patch:All versions before 16.20.02 Patch"}],"exploit_refs":[],"news":[],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1141145","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-10-27T18:51:30.505000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:27:27.289124Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:28:33.973490Z","label":"SSVC decision revised","source":"vulnrichment"}]}