{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-4236",
        "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "state": "PUBLISHED",
        "assignerShortName": "Go",
        "dateReserved": "2022-07-29T19:01:04.923Z",
        "datePublished": "2022-12-27T21:13:45.711Z",
        "dateUpdated": "2025-04-11T16:20:55.821Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
                "shortName": "Go",
                "dateUpdated": "2023-06-12T19:04:11.139Z"
            },
            "title": "Panic or authentication bypass in github.com/ecnepsnai/web",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Web Sockets do not execute any AuthenticateMethod methods which may be set, leading to a nil pointer dereference if the returned UserData pointer is assumed to be non-nil, or authentication bypass. This issue only affects WebSockets with an AuthenticateMethod hook. Request handlers that do not explicitly use WebSockets are not vulnerable."
                }
            ],
            "affected": [
                {
                    "vendor": "github.com/ecnepsnai/web",
                    "product": "github.com/ecnepsnai/web",
                    "collectionURL": "https://pkg.go.dev",
                    "packageName": "github.com/ecnepsnai/web",
                    "versions": [
                        {
                            "version": "1.4.0",
                            "lessThan": "1.5.2",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "programRoutines": [
                        {
                            "name": "Server.socketHandler"
                        },
                        {
                            "name": "Server.Socket"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-400: Uncontrolled Resource Consumption"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/ecnepsnai/web/commit/5a78f8d5c41ce60dcf9f61aaf47a7a8dc3e0002f"
                },
                {
                    "url": "https://pkg.go.dev/vuln/GO-2021-0107"
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:23:10.220Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/ecnepsnai/web/commit/5a78f8d5c41ce60dcf9f61aaf47a7a8dc3e0002f",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://pkg.go.dev/vuln/GO-2021-0107",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-11T16:20:37.403821Z",
                                "id": "CVE-2021-4236",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-04-11T16:20:55.821Z"
                }
            }
        ]
    }
}