{"id":"CVE-2021-20693","aliases":["EUVD-2021-8108","GHSA-f9xw-hgj3-mv7h"],"status":"published","title":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for...","description":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01148,"percentile":0.67039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862","CWE-863"],"published":"2021-04-26T00:20:40Z","modified":"2026-06-17T03:34:16Z","products":[{"vendor":"gurunavi","product":"gurunavi"},{"vendor":"gurunavi, inc.","product":"gurunavi app"}],"references":[{"url":"https://jvn.jp/en/jp/JVN54025691/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20693"},{"url":"https://github.com/advisories/GHSA-f9xw-hgj3-mv7h"}],"sources":{"cve":[{"id":"CVE-2021-20693","description":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.","status":"published","published":"2021-04-26T00:20:40Z","modified":"2024-08-03T17:45:45.534Z","updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-8108","description":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.","status":"published","published":"2021-04-26T00:20:40Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-f9xw-hgj3-mv7h","title":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for...","description":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.","status":"published","published":"2022-05-24T17:48:47Z","modified":"2023-01-27T05:03:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:12.225813Z"}],"nvd":[{"id":"CVE-2021-20693","description":"Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.","status":"published","published":"2021-04-26T01:15:07.8Z","modified":"2026-06-17T03:34:16.067Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}