{"id":"CVE-2021-43849","aliases":["EUVD-2023-2912","GHSA-7vfx-hfvm-rhr8"],"status":"published","title":"DoS vulnerability","description":"cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. Please upgrade to version 5.0.1 as soon as possible.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00344,"percentile":0.28199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-617"],"published":"2021-12-23T16:20:10Z","modified":"2026-10-20T10:55:04Z","fixes":[{"ecosystem":"npm","package":"cordova-plugin-fingerprint-aio","fixed_in":["5.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"cordova-plugin-fingerprint-aio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1"}]}]},{"source":"osv","ecosystem":"npm","package":"cordova-plugin-fingerprint-aio","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.0.1"}]}]}],"products":[{"vendor":"cordova_plugin_fingerprint_all-in-one_project","product":"cordova_plugin_fingerprint_all-in-one"},{"vendor":"niklasmerz","product":"cordova-plugin-fingerprint-aio"}],"references":[{"url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/security/advisories/GHSA-7vfx-hfvm-rhr8","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Third Party Advisory","advisory","web"]},{"url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/commit/27434a240f97f69fd930088654590c8ba43569df","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43849","tags":["advisory"]},{"url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/discussions/394","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7vfx-hfvm-rhr8"},{"url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-43849","title":"DoS vulnerability","description":"cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. Please upgrade to version 5.0.1 as soon as possible.","status":"published","published":"2021-12-23T16:20:10Z","modified":"2024-08-04T04:10:16.89Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2023-2912","description":"cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. Please upgrade to version 5.0.1 as soon as possible.","status":"published","published":"2021-12-23T16:20:10Z","modified":"2024-08-04T04:10:16Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-7vfx-hfvm-rhr8","title":"cordova-plugin-fingerprint-aio DoS vulnerability","description":"## Summary:\n\nSending a specially crafted intent with an invalid/empty extras `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. sending the intent repeatedly can prevent the app using this plugin from working, resulting in a denial of service (DoS) condition.\n\n## Impact\n\nA 3rd party app/remote attacker can exploit this vulnerability by sending a malicious intent to the target device, causing the app using this plugin from working to crash or become unresponsive, resulting in a denial of service (DoS) condition.\n\n## Mitigation\n\nVersion 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable.\n\nIf you want to fix older versions change the attribute `android:exported` of this code snippet in plugin.xml to `false`:\n\n```xml\n\u003cconfig-file target=\"AndroidManifest.xml\" parent=\"application\"\u003e\n      \u003cactivity android:name=\"de.niklasmerz.cordova.biometric.BiometricActivity\" android:theme=\"@style/TransparentTheme\" android:exported=\"false\"/\u003e\n\u003c/config-file\u003e\n``` \n\n## Patches\n\nPlease upgrade to version 5.0.1 as soon as possible.\n\nPlease check out the release on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1).\n\n## For more information\nIf you have any questions or comments about this advisory please go to the discussion on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/discussions/394).\n","status":"published","published":"2023-11-02T20:44:41Z","modified":"2023-11-02T20:44:42Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:37:11.48574Z"}],"nvd":[{"id":"CVE-2021-43849","description":"cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. Please upgrade to version 5.0.1 as soon as possible.","status":"published","published":"2021-12-23T17:15:07.373Z","modified":"2026-06-17T04:11:34.027Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"CVE-2021-43849","description":"cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. Please upgrade to version 5.0.1 as soon as possible.","status":"published","published":"2021-12-23T17:15:07.373Z","modified":"2026-10-20T10:55:04.972850351Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-7vfx-hfvm-rhr8","title":"cordova-plugin-fingerprint-aio DoS vulnerability","description":"## Summary:\n\nSending a specially crafted intent with an invalid/empty extras `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. sending the intent repeatedly can prevent the app using this plugin from working, resulting in a denial of service (DoS) condition.\n\n## Impact\n\nA 3rd party app/remote attacker can exploit this vulnerability by sending a malicious intent to the target device, causing the app using this plugin from working to crash or become unresponsive, resulting in a denial of service (DoS) condition.\n\n## Mitigation\n\nVersion 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable.\n\nIf you want to fix older versions change the attribute `android:exported` of this code snippet in plugin.xml to `false`:\n\n```xml\n\u003cconfig-file target=\"AndroidManifest.xml\" parent=\"application\"\u003e\n      \u003cactivity android:name=\"de.niklasmerz.cordova.biometric.BiometricActivity\" android:theme=\"@style/TransparentTheme\" android:exported=\"false\"/\u003e\n\u003c/config-file\u003e\n``` \n\n## Patches\n\nPlease upgrade to version 5.0.1 as soon as possible.\n\nPlease check out the release on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1).\n\n## For more information\nIf you have any questions or comments about this advisory please go to the discussion on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/discussions/394).\n","status":"published","published":"2023-11-02T20:44:41Z","modified":"2026-07-08T06:29:13.891000136Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T15:46:41.349637Z"}]}}