{"id":"CVE-2021-0538","aliases":["A-178821491","EUVD-2021-3157","GHSA-hr9w-xmr5-649g","PUB-A-178821491"],"status":"published","title":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency...","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00115,"percentile":0.01538,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1021"],"published":"2021-06-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["11:2021-06-01"],"sources":["osv"]},{"ecosystem":"Android","package":"platform/frameworks/opt/telephony","fixed_in":["11:2021-06-01"],"sources":["osv"]},{"ecosystem":"Android","package":"platform/packages/services/Telephony","fixed_in":["11:2021-06-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/opt/telephony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/services/Telephony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-06-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0538"},{"url":"https://github.com/advisories/GHSA-hr9w-xmr5-649g"},{"url":"https://source.android.com/security/bulletin/2021-06-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/fa32d0365fae914bae1bd213ad3d4ea0e217bbef","tags":["fix"]},{"url":"https://android.googlesource.com/platform/frameworks/opt/telephony/+/9bdd5a176d645898484f668b2d969f278af36c64","tags":["fix"]},{"url":"https://android.googlesource.com/platform/packages/services/Telephony/+/02dc21559df1d79b5f1aa8b761f2d480c79d3b29","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0538","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491","status":"published","published":"2021-06-22T11:02:11Z","modified":"2024-08-03T15:47:26.831Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3157","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491","status":"published","published":"2021-06-22T11:02:11Z","modified":"2024-08-03T15:47:26Z","updated_at":"2026-11-03T03:25:16.987587Z"}],"ghsa":[{"id":"GHSA-hr9w-xmr5-649g","title":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency...","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491","status":"published","published":"2022-05-24T19:05:55Z","modified":"2023-01-29T05:07:06Z","cwes":["CWE-1021"],"updated_at":"2026-11-02T14:46:09.170985Z"}],"nvd":[{"id":"CVE-2021-0538","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-178821491","status":"published","published":"2021-06-22T12:15:09.2Z","modified":"2026-06-17T03:30:16.307Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1021"],"updated_at":"2026-11-02T14:06:54.892562Z"}],"osv":[{"id":"PUB-A-178821491","description":"In onCreate of EmergencyCallbackModeExitDialog.java, there is a possible exit of emergency callback mode due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.","status":"published","published":"2021-06-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}