{"id":"CVE-2023-20621","aliases":["A-264208866","ASB-A-264208866","EUVD-2023-24800","GHSA-p7g8-pvw9-x42q","M-ALPS07664755"],"status":"published","title":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.","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":0.00093,"percentile":0.00523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-03-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-03-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"google","product":"android"},{"vendor":"mediatek, inc.","product":"mt6739, mt6761, mt6762, mt6765, mt6771, mt6789, mt6879, mt6883, mt6885, mt6893, mt6895, mt6983"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/March-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20621"},{"url":"https://github.com/advisories/GHSA-p7g8-pvw9-x42q"},{"url":"https://source.android.com/security/bulletin/2023-03-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-20621","description":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.","status":"published","published":"2023-03-07T00:00:00Z","modified":"2025-03-06T14:33:22.46Z","updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24800","description":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.","status":"published","published":"2023-03-07T00:00:00Z","modified":"2025-03-06T14:33:22Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-02T20:53:11.987115Z"}],"ghsa":[{"id":"GHSA-p7g8-pvw9-x42q","title":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.","status":"published","published":"2023-03-07T21:30:17Z","modified":"2023-03-21T05:05:02Z","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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:54:22.471958Z"}],"nvd":[{"id":"CVE-2023-20621","description":"In tinysys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664755; Issue ID: ALPS07664755.","status":"published","published":"2023-03-07T21:15:10.387Z","modified":"2026-06-17T05:30:27.523Z","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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:48.342507Z"}],"osv":[{"id":"ASB-A-264208866","description":"In tinysys, there is a possible out of bounds write due to a missing 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":"2023-03-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-10T17:35:05.865114Z"}]}}