{ "id": "CVE-2021-20649", "sourceIdentifier": "vultures@jpcert.or.jp", "published": "2021-02-12T07:15:15.387", "lastModified": "2021-02-15T01:26:09.573", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device." }, { "lang": "es", "value": "ELECOM WRC-300FEBK-S, contiene una vulnerabilidad de comprobaci\u00f3n de certificado inapropiada. Mediante un ataque man-in-the-middle, un atacante puede alterar la respuesta de comunicaci\u00f3n. Como resultado, se puede ejecutar un comando arbitrario del sistema operativo en el dispositivo afectado" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 2.5 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-295" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:elecom:wrc-300febk-s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BBD41BED-6FB3-4F62-BFCC-C73927375E9E" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:elecom:wrc-300febk-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "77EFC8AE-44A0-4ED5-AC46-13CA56313EEB" } ] } ] } ], "references": [ { "url": "https://jvn.jp/en/jp/JVN47580234/index.html", "source": "vultures@jpcert.or.jp", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.elecom.co.jp/news/security/20210126-01/", "source": "vultures@jpcert.or.jp", "tags": [ "Vendor Advisory" ] } ] }