{"id":"CVE-2021-0977","aliases":["A-183487770","EUVD-2021-3596","GHSA-7m86-pwq6-4p32","PUB-A-183487770"],"status":"published","title":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an...","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-183487770","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00117,"percentile":0.01653,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/hardware/nxp/nfc","fixed_in":["12:2021-12-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/hardware/nxp/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-12-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0977"},{"url":"https://github.com/advisories/GHSA-7m86-pwq6-4p32"},{"url":"https://source.android.com/security/bulletin/2021-12-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/hardware/nxp/nfc/+/82b39ec5d6dfe805e77492c635b3e828590a540e","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0977","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-183487770","status":"published","published":"2021-12-15T18:06:05Z","modified":"2024-08-03T15:55:18.041Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3596","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-183487770","status":"published","published":"2021-12-15T18:06:05Z","modified":"2024-08-03T15:55:18Z","updated_at":"2026-11-03T03:25:16.085901Z"}],"ghsa":[{"id":"GHSA-7m86-pwq6-4p32","title":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an...","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-183487770","status":"published","published":"2021-12-16T00:01:15Z","modified":"2023-02-01T05:07:06Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:28.921795Z"}],"nvd":[{"id":"CVE-2021-0977","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-183487770","status":"published","published":"2021-12-15T19:15:12.313Z","modified":"2026-06-17T03:30:44.69Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","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-787"],"updated_at":"2026-11-02T14:07:02.189991Z"}],"osv":[{"id":"PUB-A-183487770","description":"In phNxpNHal_DtaUpdate of phNxpNciHal_dta.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-12-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}