{"id":"CVE-2021-0377","aliases":["EUVD-2021-2996","GHSA-wjfq-29cp-w9r8"],"status":"published","title":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to...","description":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to improper input validation. This could lead to a local bypass of defense in depth protections with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160800689","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00124,"percentile":0.02135,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-03-10T15:59:29Z","modified":"2026-06-17T03:29:53Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-03-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0377"},{"url":"https://github.com/advisories/GHSA-wjfq-29cp-w9r8"}],"sources":{"cve":[{"id":"CVE-2021-0377","description":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to improper input validation. This could lead to a local bypass of defense in depth protections with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160800689","status":"published","published":"2021-03-10T15:59:29Z","modified":"2024-08-03T15:40:01.446Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-2996","description":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to improper input validation. This could lead to a local bypass of defense in depth protections with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160800689","status":"published","published":"2021-03-10T15:59:29Z","modified":"2024-08-03T15:40:01Z","updated_at":"2026-11-03T03:25:17.553486Z"}],"ghsa":[{"id":"GHSA-wjfq-29cp-w9r8","title":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to...","description":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to improper input validation. This could lead to a local bypass of defense in depth protections with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160800689","status":"published","published":"2022-05-24T17:44:06Z","modified":"2023-01-29T05:05:59Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:55.193009Z"}],"nvd":[{"id":"CVE-2021-0377","description":"In DeltaPerformer::Write of delta_performer.cc, there is a possible use of untrusted input due to improper input validation. This could lead to a local bypass of defense in depth protections with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160800689","status":"published","published":"2021-03-10T16:15:15.733Z","modified":"2026-06-17T03:29:53Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}