{"affected":[{"affectedData":[{"product":"SonicOS","vendor":"SonicWall","versions":[{"status":"affected","version":"SonicOS - 6.5.4.7-83n"},{"status":"affected","version":"SonicOSv - 6.5.4.4-44v-21-955"},{"status":"affected","version":"SonicOS - 6.5.1.12-3n"},{"status":"affected","version":"SonicOS - 6.0.5.3-94o"},{"status":"affected","version":"SonicOS - 7.0.0-R713 and earlier"},{"status":"affected","version":"SonicOS - 7.0.1-R1036 and earlier"},{"status":"affected","version":"SonicOS - 7.0.0.375 and earlier"}]}],"source":"PSIRT@sonicwall.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*","matchCriteriaId":"4D42B9BB-66D4-4389-8F91-91148E2A6B9B","versionEndExcluding":"7.0.0.376","versionStartIncluding":"7.0.0","vulnerable":true},{"criteria":"cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*","matchCriteriaId":"15CCFEA2-9302-4BEB-A5E3-9F6CE47A7FF6","versionEndExcluding":"7.0.1-r1036","versionStartIncluding":"7.0.1","vulnerable":true},{"criteria":"cpe:2.3:o:sonicwall:sonicos:6.0.5.3-94o:*:*:*:*:*:*:*","matchCriteriaId":"1BC37D8B-1946-4998-AA64-A03D226CAA27","vulnerable":true},{"criteria":"cpe:2.3:o:sonicwall:sonicos:6.5.1.12-3n:*:*:*:*:*:*:*","matchCriteriaId":"509A9DBE-EC4B-45B3-BB09-3E0C141180B7","vulnerable":true},{"criteria":"cpe:2.3:o:sonicwall:sonicos:6.5.4.7-83n:*:*:*:*:*:*:*","matchCriteriaId":"3CCE0644-D540-459E-AD53-698F12D08B94","vulnerable":true},{"criteria":"cpe:2.3:o:sonicwall:sonicosv:6.5.4.4-44v-21-955:*:*:*:*:*:*:*","matchCriteriaId":"F2140596-2050-4CE1-8DB0-04F2A478955A","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability."},{"lang":"es","value":"Una vulnerabilidad en SonicOS donde la respuesta del servidor HTTP filtra parte de la memoria mediante el envío de una petición HTTP diseñada, esto puede conllevar potencialmente a una vulnerabilidad de divulgación de datos confidenciales internos"}],"id":"CVE-2021-20019","lastModified":"2026-06-17T03:33:09.223","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.0,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-06-23T22:15:08.323","references":[{"source":"PSIRT@sonicwall.com","tags":["Vendor Advisory"],"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006"}],"sourceIdentifier":"PSIRT@sonicwall.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-200"}],"source":"PSIRT@sonicwall.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-119"}],"source":"nvd@nist.gov","type":"Primary"}]}