PatchTheCVECVE-2019-16241: On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file
CVE-2019-16241 is a medium-severity flaw (CVSS 6.8) affecting cingular flip 2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Physical |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 59%) |
| CISA exploited list | No |
| Weakness | CWE-668 |
| Published | 2019-11-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-16241?
cingular flip 2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-16241 being exploited?
CVE-2019-16241 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-16241 affect?
CVE-2019-16241 affects cingular flip 2 firmware. Severity is medium (CVSS 6.8). 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 specif
How urgent is CVE-2019-16241?
Priority 39/100. Public exploit reference
Software pages
Related CVEs
- CVE-2019-16243 MEDIUM 6.1 MITIGATE On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an undocumented web API that allows unprivileged Java
- CVE-2019-16242 MEDIUM 6.8 MITIGATE On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an engineering application named omamock that is vuln