Auth bypass in Alcatelmobile Cingular Flip 2
CVE-2019-16243
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.)
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (53.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Alcatelmobile Cingular Flip 2
- Alcatelmobile Cingular Flip 2 Firmware — versions b9huah1
Weakness classification (CWE)
References
- www.nccgroup.trust/uk/our-research/ (Third Party Advisory)
- www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16243?
- CVE-2019-16243 is a medium-severity vulnerability in Alcatelmobile Cingular Flip 2, classified under Missing Authentication for Critical Function. CVSS score: 6.1/10. Published 2019-11-26.
- How severe is CVE-2019-16243?
- Medium severity. CVSS v3 base score is 6.1 out of 10.