{ "id": "CVE-2021-34561", "sourceIdentifier": "info@cert.vde.com", "published": "2021-08-31T11:15:07.467", "lastModified": "2022-09-29T15:24:29.143", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target's browser." }, { "lang": "es", "value": "En PEPPERL+FUCHS WirelessHART-Gateway versiones anteriores a 3.0.8 incluy\u00e9ndola, se presenta un problema grave, si la aplicaci\u00f3n no es accesible externamente o usa restricciones de acceso basadas en IP. Los atacantes pueden usar DNS Rebinding para omitir cualquier restricci\u00f3n de acceso basada en IP o firewall que pueda presentarse, al hacer proxy mediante el navegador de su objetivo" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 5.9 }, { "source": "info@cert.vde.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.6, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "info@cert.vde.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-350" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.0.8", "matchCriteriaId": "8D28EDBE-97CB-4253-9BC2-9B97B03B411A" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth:-:*:*:*:*:*:*:*", "matchCriteriaId": "31ADD5AF-680A-4C79-B219-DAF256FD4D09" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.0.8", "matchCriteriaId": "3EE619F0-14C8-4670-A1CA-D6B261E63E6F" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip:-:*:*:*:*:*:*:*", "matchCriteriaId": "6B743365-D2E7-4C47-B98B-CD5AFDC1B540" } ] } ] } ], "references": [ { "url": "https://cert.vde.com/en-us/advisories/vde-2021-027", "source": "info@cert.vde.com", "tags": [ "Third Party Advisory" ] } ] }