{"id":"CVE-2023-21035","aliases":["A-184847040","EUVD-2023-25203","GHSA-52qh-2823-96fv","PUB-A-184847040","UBUNTU-CVE-2023-21035"],"status":"published","title":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions...","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00108,"percentile":0.01199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/packages/modules/Permission","fixed_in":["13:2023-03-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/modules/Permission","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-03-01"}]}],"versions":["13"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"android-framework-23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.1+r72-3","6.0.1+r72-4","6.0.1+r72-5~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"android-framework-23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.1+r72-5"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"android-framework-23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.1+r72-6"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"android-framework-23","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.1+r72-6","6.0.1+r72-6ubuntu1"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2023-03-01","tags":["x_transferred","Patch","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21035"},{"url":"https://github.com/advisories/GHSA-52qh-2823-96fv"},{"url":"https://source.android.com/security/bulletin/2023-03-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/packages/modules/Permission/+/20b5c4deea740e1be5b83694e174c101e33bb9ad","tags":["fix"]},{"url":"https://ubuntu.com/security/CVE-2023-21035","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-21035","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-21035","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T14:37:04.503Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25203","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T14:37:04Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:25.075327Z"}],"ghsa":[{"id":"GHSA-52qh-2823-96fv","title":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions...","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","status":"published","published":"2023-03-24T21:30:52Z","modified":"2023-04-06T05:09:09Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:54:27.289188Z"}],"nvd":[{"id":"CVE-2023-21035","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","status":"published","published":"2023-03-24T20:15:13.797Z","modified":"2026-06-17T05:31:33.433Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"UBUNTU-CVE-2023-21035","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040","status":"published","published":"2023-03-24T20:15:00Z","modified":"2025-10-24T05:01:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:18.756095Z"},{"id":"PUB-A-184847040","description":"In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:17.023074Z"}]}}