CVE-2019-16256

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cve@mitre.org

Published

2019-09-12

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2021-11-03, action due 2022-05-03: Apply updates per vendor instructions.

Affected products

• S@t Browser (Trustedconnectivityalliance)

References

• https://www.adaptivemobile.com/blog/simjacker-next-generation-spying-over-mobile
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16256