{"id":"CVE-2023-20819","aliases":["A-294779648","ASB-A-294779648","EUVD-2023-24998","GHSA-j4jq-q994-j2wv","M-MOLY01068234"],"status":"published","title":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This...","description":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00684,"percentile":0.5302,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-10-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-10-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-10-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek","product":"lr11"},{"vendor":"mediatek","product":"lr12a"},{"vendor":"mediatek","product":"lr13"},{"vendor":"mediatek","product":"mt2731"},{"vendor":"mediatek","product":"mt6570"},{"vendor":"mediatek","product":"mt6580"},{"vendor":"mediatek","product":"mt6595"},{"vendor":"mediatek","product":"mt6732"},{"vendor":"mediatek","product":"mt6735"},{"vendor":"mediatek","product":"mt6737"},{"vendor":"mediatek","product":"mt6737m"},{"vendor":"mediatek","product":"mt6738"},{"vendor":"mediatek","product":"mt6739"},{"vendor":"mediatek","product":"mt6750"},{"vendor":"mediatek","product":"mt6750s"},{"vendor":"mediatek","product":"mt6752"},{"vendor":"mediatek","product":"mt6753"},{"vendor":"mediatek","product":"mt6755"},{"vendor":"mediatek","product":"mt6757"},{"vendor":"mediatek","product":"mt6758"},{"vendor":"mediatek","product":"mt6761"},{"vendor":"mediatek","product":"mt6762"},{"vendor":"mediatek","product":"mt6762d"},{"vendor":"mediatek","product":"mt6762m"},{"vendor":"mediatek","product":"mt6763"},{"vendor":"mediatek","product":"mt6765"},{"vendor":"mediatek","product":"mt6765t"},{"vendor":"mediatek","product":"mt6767"},{"vendor":"mediatek","product":"mt6768"},{"vendor":"mediatek","product":"mt6769"},{"vendor":"mediatek","product":"mt6769t"},{"vendor":"mediatek","product":"mt6769z"},{"vendor":"mediatek","product":"mt6771"},{"vendor":"mediatek","product":"mt6775"},{"vendor":"mediatek","product":"mt6779"},{"vendor":"mediatek","product":"mt6781"},{"vendor":"mediatek","product":"mt6783"},{"vendor":"mediatek","product":"mt6785"},{"vendor":"mediatek","product":"mt6785t"},{"vendor":"mediatek","product":"mt6789"},{"vendor":"mediatek","product":"mt6795"},{"vendor":"mediatek","product":"mt6797"},{"vendor":"mediatek","product":"mt6799"},{"vendor":"mediatek","product":"mt6813"},{"vendor":"mediatek","product":"mt6815"},{"vendor":"mediatek","product":"mt6833"},{"vendor":"mediatek","product":"mt6835"},{"vendor":"mediatek","product":"mt6853"},{"vendor":"mediatek","product":"mt6855"},{"vendor":"mediatek","product":"mt6873"},{"vendor":"mediatek","product":"mt6875"},{"vendor":"mediatek","product":"mt6875t"},{"vendor":"mediatek","product":"mt6877"},{"vendor":"mediatek","product":"mt6878"},{"vendor":"mediatek","product":"mt6879"},{"vendor":"mediatek","product":"mt6883"},{"vendor":"mediatek","product":"mt6885"},{"vendor":"mediatek","product":"mt6886"},{"vendor":"mediatek","product":"mt6889"},{"vendor":"mediatek","product":"mt6891"},{"vendor":"mediatek","product":"mt6893"},{"vendor":"mediatek","product":"mt6895"},{"vendor":"mediatek","product":"mt6895t"},{"vendor":"mediatek","product":"mt6896"},{"vendor":"mediatek","product":"mt6897"},{"vendor":"mediatek","product":"mt6983"},{"vendor":"mediatek","product":"mt6985"},{"vendor":"mediatek","product":"mt6989"},{"vendor":"mediatek","product":"mt8666"},{"vendor":"mediatek","product":"mt8666a"},{"vendor":"mediatek","product":"mt8667"},{"vendor":"mediatek","product":"mt8673"},{"vendor":"mediatek","product":"mt8675"},{"vendor":"mediatek","product":"mt8765"},{"vendor":"mediatek","product":"mt8766"},{"vendor":"mediatek","product":"mt8766z"},{"vendor":"mediatek","product":"mt8768"},{"vendor":"mediatek","product":"mt8768a"},{"vendor":"mediatek","product":"mt8768b"},{"vendor":"mediatek","product":"mt8768t"},{"vendor":"mediatek","product":"mt8768z"},{"vendor":"mediatek","product":"mt8781"},{"vendor":"mediatek","product":"mt8786"},{"vendor":"mediatek","product":"mt8788"},{"vendor":"mediatek","product":"mt8788t"},{"vendor":"mediatek","product":"mt8788x"},{"vendor":"mediatek","product":"mt8788z"},{"vendor":"mediatek","product":"mt8791"},{"vendor":"mediatek","product":"mt8791t"},{"vendor":"mediatek","product":"mt8797"},{"vendor":"mediatek","product":"mt8798"},{"vendor":"mediatek","product":"nr15"},{"vendor":"mediatek","product":"nr16"},{"vendor":"mediatek","product":"nr17"},{"vendor":"mediatek, inc.","product":"mt2731, mt6570, mt6580, mt6595, mt6732, mt6735, mt6737, mt6737m, mt6738, mt6739, mt6750, mt6750s, mt6752, mt6753, mt6755, mt6757, mt6758, mt6761, mt6762, mt6762d, mt6762m, mt6763, mt6765, mt6765t, mt6767, mt6768, mt6769, mt6769t, mt6769z, mt6771, mt6775, mt6779, mt6781, mt6783, mt6785, mt6785t, mt6789, mt6795, mt6797, mt6799, mt6813, mt6815, mt6833, mt6835, mt6853, mt6855, mt6873, mt6875, mt6875t, mt6877, mt6878, mt6879, mt6883, mt6885, mt6886, mt6889, mt6891, mt6893, mt6895, mt6895t, mt6896, mt6897, mt6983, mt6985, mt6989, mt8666, mt8666a, mt8667, mt8673, mt8675, mt8765, mt8766, mt8766z, mt8768, mt8768a, mt8768b, mt8768t, mt8768z, mt8781, mt8786, mt8788, mt8788t, mt8788x, mt8788z, mt8791, mt8791t, mt8797, mt8798"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/October-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20819"},{"url":"https://github.com/advisories/GHSA-j4jq-q994-j2wv"},{"url":"https://source.android.com/security/bulletin/2023-10-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-20819","description":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.","status":"published","published":"2023-10-02T02:05:25.077Z","modified":"2024-09-21T15:27:05.08Z","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":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-24998","description":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.","status":"published","published":"2023-10-02T02:05:25Z","modified":"2024-09-21T15:27:05Z","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"}],"updated_at":"2026-11-03T00:28:17.441522Z"}],"ghsa":[{"id":"GHSA-j4jq-q994-j2wv","title":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This...","description":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.","status":"published","published":"2023-10-02T03:30:15Z","modified":"2024-04-04T07:59:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:56.52202Z"}],"nvd":[{"id":"CVE-2023-20819","description":"In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.","status":"published","published":"2023-10-02T03:15:09.71Z","modified":"2026-06-17T05:30:55.62Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"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":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:35.022405Z"}],"osv":[{"id":"ASB-A-294779648","status":"published","published":"2023-10-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}
