CVE-2019-16243

Name: CVE-2019-16243
Creator: NVD / NIST
Published: 2019-11-26T16:15:12.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2019-16243 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an undocumented web API that allows unprivileged JavaScript, including JavaScript running within the KaiOS browser, to view and edit the device's firmware over-the-air update settings. (This web API is normally used by the system application to trigger firmware updates via OmaService.js.). EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an undocumented web API that allows unprivileged JavaScript, including JavaScript running within the KaiOS browser, to view and edit the device's firmware over-the-air update settings. (This web API is normally used by the system application to trigger firmware updates via OmaService.js.)

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.75%

50.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

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/#BExploit, 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/#BExploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-16243?

How severe is CVE-2019-16243?

CVE-2019-16243 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16243?

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-2019-16243?

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

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Source: NVD / NIST