{"id":"CVE-2024-21920","aliases":["EUVD-2024-19526","GHSA-xwx2-w5q7-pgf8"],"status":"published","title":"Rockwell Automation Arena Simulation Vulnerable To Buffer Overflow","description":"A memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a threat actor read beyond the intended memory boundaries. This could reveal sensitive information and even cause the application to crash, resulting in a denial-of-service condition. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0022,"percentile":0.126,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-03-26T15:48:59Z","modified":"2026-06-17T07:10:24Z","products":[{"vendor":"rockwell automation","product":"arena simulation"},{"vendor":"rockwellautomation","product":"arena"}],"references":[{"url":"https://www.rockwellautomation.com/en-us/support/advisory.SD-1665.html","tags":["x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21920"},{"url":"https://github.com/advisories/GHSA-xwx2-w5q7-pgf8"}],"sources":{"cve":[{"id":"CVE-2024-21920","title":"Rockwell Automation Arena Simulation Vulnerable To Buffer Overflow","description":"\n\n\nA memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a threat actor read beyond the intended memory boundaries. This could reveal sensitive information and even cause the application to crash, resulting in a denial-of-service condition. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.\n\n\n\n","status":"published","published":"2024-03-26T15:48:59.735Z","modified":"2024-08-06T18:02:34.744Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:04.681315Z"}],"euvd":[{"id":"EUVD-2024-19526","description":"\n\n\nA memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a threat actor read beyond the intended memory boundaries. This could reveal sensitive information and even cause the application to crash, resulting in a denial-of-service condition. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.\n\n\n\n","status":"published","published":"2024-03-26T15:48:59Z","modified":"2024-08-06T18:02:34Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T01:56:23.526026Z"}],"ghsa":[{"id":"GHSA-xwx2-w5q7-pgf8","title":"\n\n\nA memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a...","description":"\n\n\nA memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a threat actor read beyond the intended memory boundaries. This could reveal sensitive information and even cause the application to crash, resulting in a denial-of-service condition. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.\n\n\n\n","status":"published","published":"2024-03-26T18:32:05Z","modified":"2024-03-26T18:32:10Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:55:43.067988Z"}],"nvd":[{"id":"CVE-2024-21920","description":"\n\n\nA memory buffer vulnerability in Rockwell Automation Arena Simulation could potentially let a threat actor read beyond the intended memory boundaries. This could reveal sensitive information and even cause the application to crash, resulting in a denial-of-service condition. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.\n\n\n\n","status":"published","published":"2024-03-26T16:15:11.277Z","modified":"2026-06-17T07:10:24.973Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:09:43.052376Z"}]}}