{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-4226",
        "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "state": "PUBLISHED",
        "assignerShortName": "WPScan",
        "requesterUserId": "dc9e157c-ddf1-4983-adaf-9f01d16b5e04",
        "dateReserved": "2022-04-10T06:55:50.348Z",
        "datePublished": "2022-12-15T17:14:40.696Z",
        "dateUpdated": "2025-04-21T14:18:04.471Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
                "shortName": "WPScan",
                "dateUpdated": "2022-12-15T17:14:40.696Z"
            },
            "title": "RSFirewall < 1.1.25 - IP Block Bypass",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Unknown",
                    "product": "RSFirewall!",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "custom",
                            "version": "0",
                            "lessThan": "1.1.25"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "collectionURL": "https://wordpress.org/plugins"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "RSFirewall tries to identify the original IP address by looking at different HTTP headers. A bypass is possible due to the way it is implemented."
                }
            ],
            "references": [
                {
                    "url": "https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352",
                    "tags": [
                        "exploit",
                        "vdb-entry",
                        "technical-description"
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Daniel Ruf",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "WPScan CVE Generator"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:16:04.258Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://wpscan.com/vulnerability/c0ed80c8-ebbf-4ed9-b02f-31660097c352",
                        "tags": [
                            "exploit",
                            "vdb-entry",
                            "technical-description",
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-345",
                                "lang": "en",
                                "description": "CWE-345 Insufficient Verification of Data Authenticity"
                            }
                        ]
                    }
                ],
                "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": "2025-04-21T14:17:13.945866Z",
                                "id": "CVE-2021-4226",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2025-04-21T14:18:04.471Z"
                }
            }
        ]
    }
}