{"id":"CVE-2023-20940","aliases":["A-256237041","ASB-A-256237041","EUVD-2023-25108","GHSA-5rc8-v3hv-cqcg"],"status":"published","title":"In the Android operating system, there is a possible way to replace a boot partition due to...","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256237041","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":0.00062,"percentile":0.00008,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2023-02-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/build","fixed_in":["13:2023-02-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/build","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-02-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-02-01","tags":["x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20940"},{"url":"https://github.com/advisories/GHSA-5rc8-v3hv-cqcg"},{"url":"https://android.googlesource.com/platform/build/+/ced530443431f078c6a694f12df989feb763f36d","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2023-20940","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256237041","status":"published","published":"2023-02-28T00:00:00Z","modified":"2025-03-21T18:01:08.189Z","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":"adp"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-25108","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256237041","status":"published","published":"2023-02-28T00:00:00Z","modified":"2025-03-21T18:01:08Z","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"}],"updated_at":"2026-11-02T20:52:56.049523Z"}],"ghsa":[{"id":"GHSA-5rc8-v3hv-cqcg","title":"In the Android operating system, there is a possible way to replace a boot partition due to...","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256237041","status":"published","published":"2023-02-28T18:30:18Z","modified":"2023-03-06T21:30:19Z","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"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:54:16.644116Z"}],"nvd":[{"id":"CVE-2023-20940","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256237041","status":"published","published":"2023-02-28T17:15:10.867Z","modified":"2026-06-17T05:31:15.633Z","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":"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":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:07:47.623983Z"}],"osv":[{"id":"ASB-A-256237041","description":"In the Android operating system, there is a possible way to replace a boot partition due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-02-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:15.258551Z"}]}}