CVE-2019-16241

Name: CVE-2019-16241
Creator: NVD / NIST
Published: 2019-11-26T16:15:12.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2019-16241 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.8/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.48%

37.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Alcatelmobile	Cingular Flip 2 Firmware	b9huah1

References

https://www.nccgroup.trust/uk/our-research/?research=Technical+advisoriesThird Party Advisory
https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#CExploit, Third Party Advisory
https://www.nccgroup.trust/uk/our-research/?research=Technical+advisoriesThird Party Advisory
https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-alcatel-flip-2/#CExploit, Third Party Advisory

Timeline

Published: Nov 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16241?

How severe is CVE-2019-16241?

CVE-2019-16241 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16241?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16241?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST