{"id":"CVE-2021-20834","aliases":["EUVD-2021-8246","GHSA-v53j-jcc3-2p22"],"status":"published","title":"Improper authorization in handler for custom URL scheme vulnerability in Nike App for Android...","description":"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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01195,"percentile":0.68453,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862","CWE-863"],"published":"2021-10-13T08:31:12Z","modified":"2026-06-17T03:34:30Z","products":[{"vendor":"nike","product":"nike"},{"vendor":"nike, inc.","product":"nike app for android versions prior to 2.177 and nike app for ios versions prior to 2.177.1"}],"references":[{"url":"https://play.google.com/store/apps/details?id=com.nike.omega","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://apps.apple.com/app/nike/id1095459556","tags":["x_refsource_MISC","x_transferred","Product","Release Notes"]},{"url":"https://jvn.jp/en/jp/JVN89126639/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20834"},{"url":"https://github.com/advisories/GHSA-v53j-jcc3-2p22"}],"sources":{"cve":[{"id":"CVE-2021-20834","description":"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.","status":"published","published":"2021-10-13T08:31:12Z","modified":"2024-08-03T17:53:23.062Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8246","description":"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.","status":"published","published":"2021-10-13T08:31:12Z","modified":"2024-08-03T17:53:23Z","updated_at":"2026-11-03T03:25:07.874589Z"}],"ghsa":[{"id":"GHSA-v53j-jcc3-2p22","title":"Improper authorization in handler for custom URL scheme vulnerability in Nike App for Android...","description":"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.","status":"published","published":"2022-05-24T19:17:25Z","modified":"2023-01-30T05:02:47Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-862","CWE-863"],"updated_at":"2026-11-02T14:46:43.162136Z"}],"nvd":[{"id":"CVE-2021-20834","description":"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.","status":"published","published":"2021-10-13T09:15:08.373Z","modified":"2026-06-17T03:34:30.79Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}