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CVE-2019-16241
On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/…
Medium6.8EPSS 0.48%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.48% · top 59% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (2)
- https://www.nccgroup.trust/uk/our-research/?research=Technical+advisories (opens in a new tab)x_refsource_MISCx_transferred
- https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#C (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2019-16241)Record last updated .