CRITICAL CISA KEV

CVE-2019-16256

CVSS v3

9.8

CRITICAL

EPSS Score

61.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Unknown

Technical details

Published
9/12/2019

Frequently asked questions

What is 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.

Is CVE-2019-16256 actively exploited?

Yes. CVE-2019-16256 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

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

CVE-2019-16256 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-16256 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.