{"id":"CVE-2021-0437","aliases":["A-176168330","ASB-A-176168330","EUVD-2021-3056","GHSA-crfx-f3qh-pfj6"],"status":"published","title":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local...","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330","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":0.00242,"percentile":0.15376,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-415"],"published":"2021-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","exploits":[{"source":"pocgithub","id":"nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0437","title":"nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0437","date":"2022-04-21","url":"https://github.com/nanopathi/frameworks_av_AOSP10_r33_CVE-2021-0437"}],"fixes":[{"ecosystem":"Android","package":"platform/frameworks/av","fixed_in":["8.1:2021-04-01","9:2021-04-01","10:2021-04-01","11:2021-04-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.1:0"},{"fixed":"8.1:2021-04-01"}]}],"versions":["8.1"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2021-04-01"}]}],"versions":["9"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-04-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-04-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-04-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0437"},{"url":"https://github.com/advisories/GHSA-crfx-f3qh-pfj6"},{"url":"https://android.googlesource.com/platform/frameworks/av/+/e5bfb560a63daedbe1adf8bf41a20b572654f999","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0437","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330","status":"published","published":"2021-04-13T18:23:46Z","modified":"2024-08-03T15:40:01.155Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3056","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330","status":"published","published":"2021-04-13T18:23:46Z","modified":"2024-08-03T15:40:01Z","updated_at":"2026-11-03T03:25:17.553486Z"}],"ghsa":[{"id":"GHSA-crfx-f3qh-pfj6","title":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local...","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330","status":"published","published":"2022-05-24T17:47:12Z","modified":"2023-01-29T05:07:14Z","cwes":["CWE-415"],"updated_at":"2026-11-02T14:46:09.625645Z"}],"nvd":[{"id":"CVE-2021-0437","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176168330","status":"published","published":"2021-04-13T19:15:13.147Z","modified":"2026-06-17T03:29:59.237Z","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":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"ASB-A-176168330","description":"In setPlayPolicy of DrmPlugin.cpp, there is a possible double free. This could lead to local escalation of privilege in a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-04-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:04.393608Z"}]}}