{"affected":[{"affectedData":[{"product":"EC-CUBE 2 series","vendor":"EC-CUBE CO.,LTD.","versions":[{"status":"affected","version":"2.11.2 to 2.17.1"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:*","matchCriteriaId":"46C6E563-677C-459E-A963-507EB880BE13","versionEndIncluding":"2.17.1","versionStartIncluding":"2.11.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper access control in Management screen of EC-CUBE 2 series 2.11.2 to 2.17.1 allows a remote authenticated attacker to bypass access restriction and to alter System settings via unspecified vectors."},{"lang":"es","value":"Un control de acceso inapropiado en la pantalla de administración de EC-CUBE 2 series versiones 2.11.2 a 2.17.1 permite a un atacante remoto autenticado omitir la restricción de acceso y alterar la configuración del sistema por medio de vectores no especificados"}],"id":"CVE-2021-20841","lastModified":"2026-06-17T03:34:31.533","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":4.0,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":8.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-11-24T16:15:13.107","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN75444925/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Exploit","Patch","Vendor Advisory"],"url":"https://www.ec-cube.net/info/weakness/20211111/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN75444925/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"],"url":"https://www.ec-cube.net/info/weakness/20211111/"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-Other"}],"source":"nvd@nist.gov","type":"Primary"}]}