{"affected":[{"affectedData":[{"product":"Cybozu Remote Service","vendor":"Cybozu, Inc.","versions":[{"status":"affected","version":"3.1.8 to 3.1.9"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*","matchCriteriaId":"B9219597-06C9-4D4C-A5CB-C5B8CDB0C2C8","vulnerable":true},{"criteria":"cpe:2.3:a:cybozu:remote_service_manager:3.1.9:*:*:*:*:*:*:*","matchCriteriaId":"2DEC9D57-563E-4C78-83C3-967ACED941CD","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox."},{"lang":"es","value":"Cybozu Remote Service versiones 3.1.8 hasta 3.1.9 permite a un atacante remoto autenticado conducir ataques de tipo XML External Entity (XXE) y obtener la información almacenada en el producto por medio de vectores no especificados. Este problema sólo se produce cuando es usado Mozilla Firefox"}],"id":"CVE-2021-20801","lastModified":"2026-06-17T03:34:28.470","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":4.0,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/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":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-10-13T09:15:07.967","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN52694228/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Vendor Advisory"],"url":"https://kb.cybozu.support/article/37423"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN52694228/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://kb.cybozu.support/article/37423"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-611"}],"source":"nvd@nist.gov","type":"Primary"}]}