{"id":"CVE-2023-21087","aliases":["A-261723753","ASB-A-261723753","EUVD-2023-25255","GHSA-f9vx-6cfw-vgpg"],"status":"published","title":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop...","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261723753","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0009,"percentile":0.00418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-248"],"published":"2023-04-19T00:00:00Z","modified":"2026-11-03T17:44:55Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["13-next:2023-07-01","11:2023-07-01","12:2023-07-01","12L:2023-07-01","13:2023-07-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-07-01"}]}],"versions":["13-next"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2023-07-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-07-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-07-01"}]}],"versions":["12L"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-07-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-04-01","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21087"},{"url":"https://github.com/advisories/GHSA-f9vx-6cfw-vgpg"},{"url":"https://source.android.com/security/bulletin/2023-07-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/4c2c027334672bb4a5fba4880a5536a3bce4e085","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2023-21087","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261723753","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T18:54:09.484Z","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","assessor":"adp"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25255","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261723753","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T18:54:09Z","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":"2026-11-03T00:04:04.235223Z"}],"ghsa":[{"id":"GHSA-f9vx-6cfw-vgpg","title":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop...","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261723753","status":"published","published":"2023-04-19T21:30:27Z","modified":"2025-02-05T21:33:37Z","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"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:59:48.779987Z"}],"nvd":[{"id":"CVE-2023-21087","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261723753","status":"published","published":"2023-04-19T20:15:11.49Z","modified":"2026-06-17T05:31:47.67Z","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","assessor":"primary"},{"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":"secondary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:07:56.683259Z"}],"osv":[{"id":"ASB-A-261723753","description":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-07-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:05.865114Z"}]}}