{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-21920",
        "ASSIGNER": "PSIRT@rockwellautomation.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "\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"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-125 Out-of-bounds Read",
                        "cweId": "CWE-125"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Rockwell Automation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Arena Simulation",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "Version 16.00 - 16.20.02"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.rockwellautomation.com/en-us/support/advisory.SD-1665.html",
                "refsource": "MISC",
                "name": "https://www.rockwellautomation.com/en-us/support/advisory.SD-1665.html"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "\n\n<ul><li>Do not open untrusted files from unknown sources.</li><li>For information on how to mitigate Security Risks on industrial automation control systems, we encourage customers to implement our suggested <a target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight\">security best practices</a>&nbsp;to minimize the risk of the vulnerability.</li></ul>\n\n"
                }
            ],
            "value": "\n  *  Do not open untrusted files from unknown sources.\n  *  For information on how to mitigate Security Risks on industrial automation control systems, we encourage customers to implement our suggested  security best practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight \u00a0to minimize the risk of the vulnerability.\n\n\n\n\n"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "Michael Heinzl"
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "LOW",
                "baseScore": 4.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                "version": "3.1"
            }
        ]
    }
}