What is the severity of CVE-2019-16256?

CVE-2019-16256 is considered a high-severity vulnerability as it allows remote attackers to potentially access sensitive information.

How do I fix CVE-2019-16256?

To mitigate CVE-2019-16256, users should update their Samsung devices to the latest firmware version provided by the manufacturer.

What devices are affected by CVE-2019-16256?

CVE-2019-16256 affects Samsung devices that include the SIMalliance Toolbox Browser on the UICC.

What kind of data can be accessed due to CVE-2019-16256?

CVE-2019-16256 allows attackers to retrieve location, IMEI information, and execute certain commands through SIM Toolkit instructions.

Are there any workarounds for CVE-2019-16256?

While the primary fix is to update the firmware, users can also disable SIM Toolkit services if possible to reduce risk until a patch is applied.

Vulnerability/
CVE-2019-16256

Exploited

critical

9.8

CWE

12/9/2019

4/2/2025

CVE-2019-16256: SIMalliance Toolbox Browser Command Injection Vulnerability

First published: Thu Sep 12 2019(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
SIMalliance Toolbox Browser
All of
Samsung Firmware
Samsung Mobile
Samsung Firmware
Samsung Mobile
All of

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-16256?
CVE-2019-16256 is considered a high-severity vulnerability as it allows remote attackers to potentially access sensitive information.
How do I fix CVE-2019-16256?
To mitigate CVE-2019-16256, users should update their Samsung devices to the latest firmware version provided by the manufacturer.
What devices are affected by CVE-2019-16256?
CVE-2019-16256 affects Samsung devices that include the SIMalliance Toolbox Browser on the UICC.
What kind of data can be accessed due to CVE-2019-16256?
CVE-2019-16256 allows attackers to retrieve location, IMEI information, and execute certain commands through SIM Toolkit instructions.
Are there any workarounds for CVE-2019-16256?
While the primary fix is to update the firmware, users can also disable SIM Toolkit services if possible to reduce risk until a patch is applied.

agent/type
agent/description
agent/title
agent/severity
agent/weakness
agent/first-publish-date
exploited/true
collector/cisa-known-exploited
source/CISA
agent/software-canonical-lookup
agent/references
agent/author
agent/event
agent/source
collector/nvd-cve
source/NVD
agent/software-canonical-lookup-request
collector/nvd-index
agent/softwarecombine
agent/tags
collector/mitre-cve
source/MITRE
agent/last-modified-date
collector/nvd-api
vendor/simalliance
canonical/simalliance toolbox browser
vendor/samsung
canonical/samsung firmware
canonical/samsung mobile

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Frequently Asked Questions

What is the severity of CVE-2019-16256?
CVE-2019-16256 is considered a high-severity vulnerability as it allows remote attackers to potentially access sensitive information.
How do I fix CVE-2019-16256?
To mitigate CVE-2019-16256, users should update their Samsung devices to the latest firmware version provided by the manufacturer.
What devices are affected by CVE-2019-16256?
CVE-2019-16256 affects Samsung devices that include the SIMalliance Toolbox Browser on the UICC.
What kind of data can be accessed due to CVE-2019-16256?
CVE-2019-16256 allows attackers to retrieve location, IMEI information, and execute certain commands through SIM Toolkit instructions.
Are there any workarounds for CVE-2019-16256?
While the primary fix is to update the firmware, users can also disable SIM Toolkit services if possible to reduce risk until a patch is applied.