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    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-3596",
        "assignerOrgId": "b73dd486-f505-4403-b634-40b078b177f0",
        "state": "PUBLISHED",
        "assignerShortName": "Rockwell",
        "dateReserved": "2023-07-10T15:34:53.790Z",
        "datePublished": "2023-07-12T12:51:19.498Z",
        "dateUpdated": "2024-08-02T07:01:56.685Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "1756-EN4TR Series A",
                    "vendor": "Rockwell Automation",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "<=5.001"
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                    ]
                },
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                    "defaultStatus": "unaffected",
                    "product": "1756-EN4TRK Series A",
                    "vendor": "Rockwell Automation",
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                            "status": "affected",
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                    "product": "1756-EN4TRXT Series A\t",
                    "vendor": "Rockwell Automation",
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                            "status": "affected",
                            "version": "<=5.001"
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            ],
            "datePublic": "2023-07-12T12:00:00.000Z",
            "descriptions": [
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                            "value": "\n\n<span style=\"background-color: rgb(255, 255, 255);\">Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.</span>\n\n"
                        }
                    ],
                    "value": "\nWhere this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.\n\n"
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            ],
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                {
                    "capecId": "CAPEC-100",
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                            "lang": "en",
                            "value": "CAPEC-100 Overflow Buffers"
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            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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                            "value": "GENERAL"
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                    "descriptions": [
                        {
                            "cweId": "CWE-787",
                            "description": "CWE-787 Out-of-bounds Write",
                            "lang": "en",
                            "type": "CWE"
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                "orgId": "b73dd486-f505-4403-b634-40b078b177f0",
                "shortName": "Rockwell",
                "dateUpdated": "2023-07-12T13:16:21.672Z"
            },
            "references": [
                {
                    "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
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                            "value": "\n\n<ul><li><strong>Update firmware. </strong>Update EN4* ControlLogix communications modules to firmware revision 5.002.&nbsp;</li><li><strong>Properly segment networks.</strong>&nbsp;Given a cyber actor would require network connectivity to the communication module to exploit the vulnerability, organizations should ensure ICS/SCADA networks are properly segmented within the process structure as well as from the Internet and other non-essential networks. </li><li><strong>Implement detection signatures.</strong>&nbsp;Use appended Snort signatures to monitor and detect anomalous Common Industrial Protocol (CIP) packets to Rockwell Automation devices. </li></ul>\n\n<br>"
                        }
                    ],
                    "value": "\n  *  Update firmware. Update EN4* ControlLogix communications modules to firmware revision 5.002. \n  *  Properly segment networks. Given a cyber actor would require network connectivity to the communication module to exploit the vulnerability, organizations should ensure ICS/SCADA networks are properly segmented within the process structure as well as from the Internet and other non-essential networks. \n  *  Implement detection signatures. Use appended Snort signatures to monitor and detect anomalous Common Industrial Protocol (CIP) packets to Rockwell Automation devices. \n\n\n\n\n\n"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service ",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T07:01:56.685Z"
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                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010",
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