{"id":"CVE-2021-0536","aliases":["A-176756691","EUVD-2021-3155","GHSA-2762-7h78-r5qq","PUB-A-176756691"],"status":"published","title":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a...","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691","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":"2026-11-12","score":0.00117,"percentile":0.01703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-610"],"published":"2021-06-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/packages/apps/CertInstaller","fixed_in":["11:2021-06-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/CertInstaller","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-2021-0536"},{"url":"https://github.com/advisories/GHSA-2762-7h78-r5qq"},{"url":"https://source.android.com/security/bulletin/2021-06-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0536","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691","status":"published","published":"2021-06-22T11:01:57Z","modified":"2024-08-03T15:47:26.782Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3155","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691","status":"published","published":"2021-06-22T11:01:57Z","modified":"2024-08-03T15:47:26Z","updated_at":"2026-11-03T03:25:16.987587Z"}],"ghsa":[{"id":"GHSA-2762-7h78-r5qq","title":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a...","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691","status":"published","published":"2022-05-24T19:05:55Z","modified":"2023-01-29T05:07:06Z","cwes":["CWE-610"],"updated_at":"2026-11-02T14:46:09.170985Z"}],"nvd":[{"id":"CVE-2021-0536","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691","status":"published","published":"2021-06-22T12:15:09.143Z","modified":"2026-06-17T03:30:16.103Z","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-610"],"updated_at":"2026-11-02T14:06:54.892562Z"}],"osv":[{"id":"PUB-A-176756691","description":"In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not 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"}]}}