CVE-2020-25754

{"id": "CVE-2020-25754", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-06-16T19:15:27.597", "references": [{"url": "https://enphase.com/en-us/products-and-services/envoy-and-combiner", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://medium.com/stage-2-security/can-solar-controllers-be-used-to-generate-fake-clean-energy-credits-4a7322e7661a", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://stage2sec.com", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-916"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered on Enphase Envoy R3.x and D4.x devices. There is a custom PAM module for user authentication that circumvents traditional user authentication. This module uses a password derived from the MD5 hash of the username and serial number. The serial number can be retrieved by an unauthenticated user at /info.xml. Attempts to change the user password via passwd or other tools have no effect."}, {"lang": "es", "value": "Se detect\u00f3 un problema en los dispositivos Enphase Envoy versiones R3.x y D4.x. Se presenta un m\u00f3dulo PAM personalizado para la autenticaci\u00f3n de usuarios que omite la autenticaci\u00f3n de usuarios tradicional. Este m\u00f3dulo usa una contrase\u00f1a derivada del hash MD5 del nombre de usuario y el n\u00famero de serie. El n\u00famero de serie puede ser recuperado por un usuario no autenticado en el archivo /info.xml. Los intentos de cambiar la contrase\u00f1a del usuario por medio de passwd u otras herramientas no tienen efecto"}], "lastModified": "2021-06-28T14:25:02.943", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:enphase:envoy_firmware:d4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0206722B-9144-4946-BC19-6DEA41645407"}, {"criteria": "cpe:2.3:o:enphase:envoy_firmware:r3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1B1A50F-6A90-493A-B997-138267FFAEB4"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:enphase:envoy:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A9FE4788-74CB-4DAB-ABF9-0C6D361E7B9B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}