{
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    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-4785",
        "ASSIGNER": "security@google.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
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                "lang": "eng",
                "value": "Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.\u00a0"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-248",
                        "cweId": "CWE-248"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Google",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "gRPC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "lessThan": "1.23",
                                                        "status": "unaffected",
                                                        "version": "0",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "status": "unaffected",
                                                        "version": "1.57"
                                                    },
                                                    {
                                                        "changes": [
                                                            {
                                                                "at": "1.56.2",
                                                                "status": "unaffected"
                                                            }
                                                        ],
                                                        "lessThanOrEqual": "1.56.1",
                                                        "status": "affected",
                                                        "version": "1.56.0",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "changes": [
                                                            {
                                                                "at": "1.55.3",
                                                                "status": "unaffected"
                                                            }
                                                        ],
                                                        "lessThanOrEqual": "1.55.2",
                                                        "status": "affected",
                                                        "version": "1.55.0",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "changes": [
                                                            {
                                                                "at": "1.54.3",
                                                                "status": "unaffected"
                                                            }
                                                        ],
                                                        "lessThanOrEqual": "154.2",
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                                                        "version": "1.54.0",
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                                                                "at": "1.53.2",
                                                                "status": "unaffected"
                                                            }
                                                        ],
                                                        "lessThanOrEqual": "1.53.1",
                                                        "status": "affected",
                                                        "version": "1.53.0",
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                                                ],
                                                "defaultStatus": "unaffected"
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                            }
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                }
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    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/grpc/grpc/pull/33656",
                "refsource": "MISC",
                "name": "https://github.com/grpc/grpc/pull/33656"
            },
            {
                "url": "https://github.com/grpc/grpc/pull/33667",
                "refsource": "MISC",
                "name": "https://github.com/grpc/grpc/pull/33667"
            },
            {
                "url": "https://github.com/grpc/grpc/pull/33669",
                "refsource": "MISC",
                "name": "https://github.com/grpc/grpc/pull/33669"
            },
            {
                "url": "https://github.com/grpc/grpc/pull/33670",
                "refsource": "MISC",
                "name": "https://github.com/grpc/grpc/pull/33670"
            },
            {
                "url": "https://github.com/grpc/grpc/pull/33672",
                "refsource": "MISC",
                "name": "https://github.com/grpc/grpc/pull/33672"
            }
        ]
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        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "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",
                "version": "3.1"
            }
        ]
    }
}