{"id":"CVE-2021-0321","aliases":["A-166667403","ASB-A-166667403","EUVD-2021-2940","GHSA-849w-x2hm-q28x"],"status":"published","title":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to...","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00159,"percentile":0.0517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-203"],"published":"2021-01-01T00:00:00Z","modified":"2026-11-04T16:48:29Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["11:2021-01-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-01-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-01-01","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0321"},{"url":"https://github.com/advisories/GHSA-849w-x2hm-q28x"},{"url":"https://android.googlesource.com/platform/frameworks/base/+/b57d1409c52478d37f006145949be8b4591b9898","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0321","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.","status":"published","published":"2021-01-11T21:47:19Z","modified":"2024-08-03T15:32:10.796Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-2940","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.","status":"published","published":"2021-01-11T21:47:19Z","modified":"2024-08-03T15:32:10Z","updated_at":"2026-11-03T03:25:17.997367Z"}],"ghsa":[{"id":"GHSA-849w-x2hm-q28x","title":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to...","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.","status":"published","published":"2022-05-24T17:38:42Z","modified":"2023-01-27T05:02:33Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:42:04.146384Z"}],"nvd":[{"id":"CVE-2021-0321","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.","status":"published","published":"2021-01-11T22:15:13.737Z","modified":"2026-06-17T03:29:47.31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","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-203"],"updated_at":"2026-11-02T14:06:49.284888Z"}],"osv":[{"id":"ASB-A-166667403","description":"In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-01-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}