{"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"}}]}}