CVE-2021-20854

{"containers": {"cna": {"affected": [{"product": "ELECOM LAN routers", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior"}]}], "descriptions": [{"lang": "en", "value": "ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "OS Command Injection", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-01T02:15:44.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN88993473/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20854", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ELECOM LAN routers", "version": {"version_data": [{"version_value": "WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior"}]}}]}, "vendor_name": "ELECOM CO.,LTD."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "OS Command Injection"}]}]}, "references": {"reference_data": [{"name": "https://www.elecom.co.jp/news/security/20211130-01/", "refsource": "MISC", "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"name": "https://jvn.jp/en/jp/JVN88993473/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN88993473/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:22.817Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN88993473/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20854", "datePublished": "2021-12-01T02:15:44.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:22.817Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "ELECOM LAN routers", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrh-733gbk_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "28989732-6761-4356-A4CF-BE172E72C41B", "versionEndIncluding": "1.02.9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrh-733gbk:-:*:*:*:*:*:*:*", "matchCriteriaId": "84FA6C86-7C8A-4CF5-9065-CDECDFF65F7E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrh-733gwh_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9AC22BBF-F3CF-4B47-B314-BA3DA9A4663D", "versionEndIncluding": "1.02.9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrh-733gwh:-:*:*:*:*:*:*:*", "matchCriteriaId": "08BFC900-6728-4EDB-8CC9-27101DF47FC9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors."}, {"lang": "es", "value": "Los routers LAN de ELECOM (firmware WRH-733GBK versiones v1.02.9 y anteriores y firmware WRH-733GWH versiones v1.02.9 y anteriores) permiten a un atacante adyacente a la red con privilegios de administrador ejecutar comandos arbitrarios del sistema operativo por medio de vectores no especificados"}], "id": "CVE-2021-20854", "lastModified": "2026-06-17T03:34:32.757", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.2, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-01T03:15:06.807", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN88993473/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN88993473/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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