{"id":"CVE-2019-16241","aliases":["EUVD-2019-7048","GHSA-qg5g-43r3-8gpr"],"status":"published","title":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a...","description":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00478,"percentile":0.4153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2019-11-26T15:33:26Z","modified":"2026-06-17T02:21:58Z","products":[{"vendor":"alcatelmobile","product":"cingular_flip_2_firmware"}],"references":[{"url":"https://www.nccgroup.trust/uk/our-research/?research=Technical+advisories","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#C","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16241"},{"url":"https://github.com/advisories/GHSA-qg5g-43r3-8gpr"}],"sources":{"cve":[{"id":"CVE-2019-16241","description":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.","status":"published","published":"2019-11-26T15:33:26Z","modified":"2024-08-05T01:10:41.583Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-7048","description":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.","status":"published","published":"2019-11-26T15:33:26Z","modified":"2024-08-05T01:10:41Z","updated_at":"2026-11-03T02:40:33.71788Z"}],"ghsa":[{"id":"GHSA-qg5g-43r3-8gpr","title":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a...","description":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.","status":"published","published":"2022-05-24T17:02:12Z","modified":"2023-01-28T05:07:49Z","updated_at":"2026-11-02T14:44:34.529278Z"}],"nvd":[{"id":"CVE-2019-16241","description":"On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.","status":"published","published":"2019-11-26T16:15:12.307Z","modified":"2026-06-17T02:21:58.67Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/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-668"],"updated_at":"2026-11-02T14:05:38.993437Z"}]}}