CVE-2021-20649

{"containers": {"cna": {"affected": [{"product": "WRC-300FEBK-S", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "WRC-300FEBK-S"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Improper certificate validation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-02-12T06:15:50.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.elecom.co.jp/news/security/20210126-01/"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN47580234/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20649", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "WRC-300FEBK-S", "version": {"version_data": [{"version_value": "WRC-300FEBK-S"}]}}]}, "vendor_name": "ELECOM CO.,LTD."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper certificate validation"}]}]}, "references": {"reference_data": [{"name": "https://www.elecom.co.jp/news/security/20210126-01/", "refsource": "MISC", "url": "https://www.elecom.co.jp/news/security/20210126-01/"}, {"name": "https://jvn.jp/en/jp/JVN47580234/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN47580234/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:45.385Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.elecom.co.jp/news/security/20210126-01/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN47580234/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20649", "datePublished": "2021-02-12T06:15:50.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:45.385Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "WRC-300FEBK-S", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "WRC-300FEBK-S"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-300febk-s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BBD41BED-6FB3-4F62-BFCC-C73927375E9E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-300febk-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "77EFC8AE-44A0-4ED5-AC46-13CA56313EEB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "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"}], "id": "CVE-2021-20649", "lastModified": "2026-06-17T03:34:11.103", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-12T07:15:15.387", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN47580234/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20210126-01/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN47580234/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20210126-01/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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