CVE-2019-16256

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

Some Samsung devices include the SIMalliance Toolbox Browser (aka S@T Browser) on the UICC, which might allow remote attackers to retrieve location and IMEI information, or retrieve other data or execute certain commands, via SIM Toolkit (STK) instructions in an SMS message, aka Simjacker.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.adaptivemobile.com/blog/simjacker-next-generation-spying-over-mobileExploit, Third Party Advisory
https://www.adaptivemobile.com/blog/simjacker-next-generation-spying-over-mobileExploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16256US Government Resource

Timeline

Published: Sep 12, 2019
Last modified: Jun 17, 2026
Added to CISA KEV: Nov 3, 2021
NVD status: Analyzed

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