{"id":"CVE-2023-20696","aliases":["A-271788842","ASB-A-271788842","EUVD-2023-24875","M-ALPS07856356"],"status":"published","description":"In preloader, 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: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).","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":"2026-11-10","score":0.0015,"percentile":0.04167,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-787"],"published":"2023-05-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","exploits":[{"source":"pocgithub","id":"kasnria001/pwnage24mtk","title":"kasnria001/pwnage24mtk","date":"2026-06-22","url":"https://github.com/kasnria001/pwnage24mtk"},{"source":"pocgithub","id":"wzy114514sb/pwnage24mtk","title":"wzy114514sb/pwnage24mtk","date":"2026-06-28","url":"https://github.com/wzy114514sb/pwnage24mtk"},{"source":"pocgithub","id":"ELF-RC/mtk_logo_toolkit","title":"ELF-RC/mtk_logo_toolkit","date":"2026-10-05","url":"https://github.com/ELF-RC/mtk_logo_toolkit"}],"fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-05-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-05-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"google","product":"android"},{"vendor":"mediatek, inc.","product":"mt6880, mt6890, mt8167, mt8175, mt8185, mt8195, mt8321, mt8365, mt8385, mt8395, mt8666, mt8667, mt8673, mt8675, mt8765, mt8766, mt8768, mt8781, mt8786, mt8788, mt8789, mt8791, mt8791t, mt8797"},{"vendor":"openwrt","product":"openwrt"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/May-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://source.android.com/security/bulletin/2023-05-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-20696","description":"In preloader, 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: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).","status":"published","published":"2023-05-15T00:00:00Z","modified":"2025-01-23T21:29:18.788Z","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-2023-24875","description":"In preloader, 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: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).","status":"published","published":"2023-05-15T00:00:00Z","modified":"2025-01-23T21:29:18Z","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":"2026-11-03T00:04:14.026358Z"}],"nvd":[{"id":"CVE-2023-20696","description":"In preloader, 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: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).","status":"published","published":"2023-05-15T22:15:10.563Z","modified":"2026-06-17T05:30:39.38Z","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":"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":"2026-11-02T14:08:02.399327Z"}],"osv":[{"id":"ASB-A-271788842","status":"published","published":"2023-05-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}