{"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 allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors."},{"lang":"es","value":"ELECOM WRC-300FEBK-S, permite a un atacante con derechos de administrador ejecutar comandos arbitrarios del sistema operativo por medio de vectores no especificados"}],"id":"CVE-2021-20648","lastModified":"2026-06-17T03:34:11.003","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"SINGLE","availabilityImpact":"COMPLETE","baseScore":7.7,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:A/AC:L/Au:S/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":5.1,"impactScore":10.0,"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":"2021-02-12T07:15:15.327","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-78"}],"source":"nvd@nist.gov","type":"Primary"}]}