{"affected":[{"affectedData":[{"product":"baserCMS","vendor":"baserCMS Users Community","versions":[{"status":"affected","version":"versions prior to 4.4.5"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*","matchCriteriaId":"E63194A0-F37D-4ADB-B7F3-347021DF734D","versionEndExcluding":"4.4.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"baserCMS versions prior to 4.4.5 allows a remote attacker with an administrative privilege to execute arbitrary OS commands via unspecified vectors."},{"lang":"es","value":"baserCMS versiones anteriores a 4.4.5, permiten a un atacante remoto con privilegios administrativos ejecutar comandos arbitrarios del Sistema Operativo por medio de vectores no especificados."}],"id":"CVE-2021-20682","lastModified":"2026-06-17T03:34:14.500","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"COMPLETE","baseScore":9.0,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":8.0,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.2,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-26T09:15:12.120","references":[{"source":"vultures@jpcert.or.jp","tags":["Patch","Vendor Advisory"],"url":"https://basercms.net/security/JVN64869876"},{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN64869876/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://basercms.net/security/JVN64869876"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN64869876/index.html"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-78"}],"source":"nvd@nist.gov","type":"Primary"}]}