{ "id": "CVE-2021-43573", "sourceIdentifier": "cve@mitre.org", "published": "2021-11-11T04:15:06.470", "lastModified": "2021-12-21T19:59:03.880", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame." }, { "lang": "es", "value": "Se ha detectado un desbordamiento del b\u00fafer en los dispositivos Realtek RTL8195AM versiones anteriores a 2.0.10. Se presenta en el c\u00f3digo del cliente cuando se procesa una longitud de IE malformada de la informaci\u00f3n de capacidad HT en la trama de respuesta de Beacon y Association" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-120" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:realtek:rtl8195am_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.0.10", "matchCriteriaId": "A397B049-1892-4256-801A-2D7EC130076C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:realtek:rtl8195am:-:*:*:*:*:*:*:*", "matchCriteriaId": "ABC12635-46E3-4595-A6AC-BD80F671B9D4" } ] } ] } ], "references": [ { "url": "https://www.amebaiot.com/en/security_bulletin/cve-2021-43573/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }