{"affected":[{"affectedData":[{"product":"Android App 'Mercari' (Japan version)","vendor":"Mercari, Inc.","versions":[{"status":"affected","version":"prior to version 3.52.0"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mercari:mercari:*:*:*:*:*:android:*:*","matchCriteriaId":"58AD0B84-89D0-42CB-873F-F3D52C90DE39","versionEndExcluding":"3.52.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Android App 'Mercari' (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a Man-In-The-Middle attack by using Java Reflection API of JavaScript code on WebView."},{"lang":"es","value":"La aplicación Android 'Mercari' (versión japonesa) anterior a la versión 3.52.0 permite la ejecución de un método arbitrario de un objeto Java por parte de un atacante remoto a través de un ataque Man-In-The-Middle utilizando la API de Java Reflection de código JavaScript en WebView"}],"id":"CVE-2020-5604","lastModified":"2026-06-17T03:21:40.827","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.2,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-07-09T02:15:10.527","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN93167107/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN93167107/index.html"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}