{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T06:58:09.862","vulnerabilities":[{"cve":{"id":"CVE-2021-34561","sourceIdentifier":"info@cert.vde.com","published":"2021-08-31T11:15:07.467","lastModified":"2024-11-21T06:10:41.533","vulnStatus":"Modified","cveTags":[],"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 incluyéndola, se presenta un problema grave, si la aplicación no es accesible externamente o usa restricciones de acceso basadas en IP. Los atacantes pueden usar DNS Rebinding para omitir cualquier restricción de acceso basada en IP o firewall que pueda presentarse, al hacer proxy mediante el navegador de su objetivo"}],"metrics":{"cvssMetricV31":[{"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","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.6,"impactScore":5.9},{"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","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"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","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"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":"Secondary","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"]},{"url":"https://cert.vde.com/en-us/advisories/vde-2021-027","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}