{"affected":[{"affectedData":[{"product":"Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1","vendor":"Nike, Inc.","versions":[{"status":"affected","version":"Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1"}]}],"source":"vultures@jpcert.or.jp"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:nike:nike:*:*:*:*:*:iphone_os:*:*","matchCriteriaId":"1269DF1C-3A17-4906-BE44-D96C26ACFF07","versionEndExcluding":"2.177.1","vulnerable":true},{"criteria":"cpe:2.3:a:nike:nike:*:*:*:*:*:android:*:*","matchCriteriaId":"762186F3-BAA5-4BDB-BA3D-540EB5321279","versionEndExcluding":"2.177.3.3688","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper authorization in handler for custom URL scheme vulnerability in Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App."},{"lang":"es","value":"Una autorización inapropiada en el manejador para la vulnerabilidad del esquema de URL personalizado en Nike App de Android versiones  anteriores a  2.177 y Nike App para iOS versiones anteriores a 2.177.1, permite que un atacante remoto conlleve a un usuario a acceder a un sitio web arbitrario por medio de la aplicación vulnerable"}],"id":"CVE-2021-20834","lastModified":"2026-06-17T03:34:30.790","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":4.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-10-13T09:15:08.373","references":[{"source":"vultures@jpcert.or.jp","tags":["Product","Release Notes"],"url":"https://apps.apple.com/app/nike/id1095459556"},{"source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN89126639/index.html"},{"source":"vultures@jpcert.or.jp","tags":["Product"],"url":"https://play.google.com/store/apps/details?id=com.nike.omega"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product","Release Notes"],"url":"https://apps.apple.com/app/nike/id1095459556"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://jvn.jp/en/jp/JVN89126639/index.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"],"url":"https://play.google.com/store/apps/details?id=com.nike.omega"}],"sourceIdentifier":"vultures@jpcert.or.jp","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-862"}],"source":"nvd@nist.gov","type":"Primary"}]}