{ "id": "CVE-2021-20042", "sourceIdentifier": "PSIRT@sonicwall.com", "published": "2021-12-08T10:15:08.053", "lastModified": "2021-12-10T21:57:24.577", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An unauthenticated remote attacker can use SMA 100 as an unintended proxy or intermediary undetectable proxy to bypass firewall rules. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances." }, { "lang": "es", "value": "Un atacante remoto no autenticado puede usar el SMA 100 como un proxy no intencionado o un proxy no detectable para omitir las reglas del firewall. Esta vulnerabilidad afecta a los dispositivos SMA 200, 210, 400, 410 y 500v" } ], "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-610" } ] }, { "source": "PSIRT@sonicwall.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-441" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:sonicwall:sma_200_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*", "matchCriteriaId": "4D9E19F4-7FF4-426C-8B08-BCC802F653E0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*", "matchCriteriaId": "4185C028-6A07-4A92-8380-9AA3953D2CFD" }, { "vulnerable": true, "criteria": "cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*", "matchCriteriaId": "33233A45-6667-4CE9-A21C-6A6C725689F8" } ] }, { "operator": 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"cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*", "matchCriteriaId": "AC429F62-366B-4B68-B378-FB741F9F7FEF" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*", "matchCriteriaId": "A6AD8A33-7CE4-4C66-9E23-F0C9C9638770" } ] } ] } ], "references": [ { "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026", "source": "PSIRT@sonicwall.com", "tags": [ "Vendor Advisory" ] } ] }