Is CVE-2019-16256 actively exploited?

CVE-2019-16256 has no public evidence of in-the-wild exploitation as of 2025-11-12.

What is the CVSS score for CVE-2019-16256?

CVE-2019-16256 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-16256?

Patch guidance is available from trustedconnectivityalliance security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-16256.

Which products are affected by CVE-2019-16256?

1 product: trustedconnectivityalliance s\@t browser.

Fix CVE-2019-16256 - CRITICAL

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: TRUSTEDCONNECTIVITYALLIANCE
Published: 9/12/2019
Last Modified: 11/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2019-16256

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary