{"id":"CVE-2021-1034","aliases":["A-193441322","EUVD-2021-6501","GHSA-v52j-x783-j885","PUB-A-193441322"],"status":"published","title":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine...","description":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00113,"percentile":0.01418,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862","CWE-863"],"published":"2021-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["12:2021-12-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-12-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1034"},{"url":"https://github.com/advisories/GHSA-v52j-x783-j885"},{"url":"https://source.android.com/security/bulletin/2021-12-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/f4d8bd16b7788abd26313ec2be3a630b43c233c9","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-1034","description":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322","status":"published","published":"2021-12-15T18:06:28Z","modified":"2024-08-03T15:55:18.526Z","updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-6501","description":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322","status":"published","published":"2021-12-15T18:06:28Z","modified":"2024-08-03T15:55:18Z","updated_at":"2026-11-03T03:25:15.598162Z"}],"ghsa":[{"id":"GHSA-v52j-x783-j885","title":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine...","description":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322","status":"published","published":"2021-12-16T00:00:49Z","modified":"2023-01-27T05:01:15Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:41:51.095902Z"}],"nvd":[{"id":"CVE-2021-1034","description":"In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322","status":"published","published":"2021-12-15T19:15:14.49Z","modified":"2026-06-17T03:30:50.51Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"PUB-A-193441322","description":" In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is a\n    possible way to determine whether an app is     installed, without query\n    permissions due to a missing permission check. This could lead to local\n    information disclosure with no additional execution privileges needed. User\n    interaction is not needed for exploitation.","status":"published","published":"2021-12-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}