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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:trustedconnectivityalliance:s\@t_browser:-:*:*:*:*:*:*:*

History

12 Nov 2025, 17:52

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16256 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16256 - US Government Resource
First Time		Trustedconnectivityalliance Trustedconnectivityalliance s\@t Browser
CPE	cpe:2.3:o:samsung:samsung_firmware:-:::::::* cpe:2.3:h:samsung:samsung:-:::::::*	cpe:2.3:a:trustedconnectivityalliance:s\@t_browser:-:::::::*

Information

Published : 2019-09-12 13:15

Updated : 2025-11-12 17:52

NVD link : CVE-2019-16256

Mitre link : CVE-2019-16256

CVE.ORG link : CVE-2019-16256

JSON object : View

Products Affected

trustedconnectivityalliance

s\@t_browser

CWE

NVD-CWE-noinfo

{"id": "CVE-2019-16256", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2019-09-12T13:15:10.327", "references": [{"url": "https://www.adaptivemobile.com/blog/simjacker-next-generation-spying-over-mobile", "tags": ["Exploit", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.adaptivemobile.com/blog/simjacker-next-generation-spying-over-mobile", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16256", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Algunos dispositivos Samsung incluyen el SIMalliance Toolbox Browser (tambi\u00e9n se conoce como S@T Browser) en el UICC, lo que podr\u00eda permitir a atacantes remotos recuperar informaci\u00f3n de ubicaci\u00f3n e IMEI, o recuperar otros datos o ejecutar determinados comandos, por medio de instrucciones SIM Toolkit (STK) en un mensaje SMS, tambi\u00e9n se conoce como Simjacker."}], "lastModified": "2025-11-12T17:52:10.447", "cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:trustedconnectivityalliance:s\\@t_browser:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76C9A0EE-419E-451D-AD18-C3E61D12E226"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "SIMalliance Toolbox Browser Command Injection Vulnerability"}