{"affected":[{"affectedData":[{"product":"Hot Pepper Gourmet App","vendor":"Recruit Co., Ltd.","versions":[{"status":"affected","version":"for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:recruit-holdings:hot_pepper_gourmet:*:*:*:*:*:android:*:*","matchCriteriaId":"7F3E161A-B554-46FE-94F2-052B88592C87","versionEndIncluding":"4.111.0","vulnerable":true},{"criteria":"cpe:2.3:a:recruit-holdings:hot_pepper_gourmet:*:*:*:*:*:iphone_os:*:*","matchCriteriaId":"FC43E9BB-46BE-4D17-9A10-4B6606AD11AA","versionEndIncluding":"4.111.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App."},{"lang":"es","value":"La vulnerabilidad de control de acceso inapropiado en la aplicación Hot Pepper Gourmet para Android versiones 4.111.0 y anteriores, y para iOS versión 4.111.0 y anterior, permite a un atacante remoto conllevar a un usuario a acceder a un sitio web arbitrario por medio de la aplicación vulnerable"}],"id":"CVE-2021-20715","lastModified":"2026-06-17T03:34:18.460","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-04-27T06:15:07.830","references":[{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN97434260/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN97434260/index.html"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-862"}],"source":"nvd@nist.gov","type":"Primary"}]}