SIMalliance Toolbox Browser Command Injection Vulnerability

Timeline

Detection, updates, and resolution for this record.

1. Sep 12, 2019 · Catalog

   Detected

   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.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 3, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   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.

Affected

• cpe trustedconnectivityalliance/s@t browserversion unspecified
• vendor SIMalliance Toolbox Browserversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2019-16256

  SIMalliance Toolbox Browser contains an command injection vulnerability that could allow remote attackers to retrieve location and IMEI information or execute a range of other attacks by modifying the attack message.

  cisa.gov
• CVE.orgVulnerability recordCVE-2019-16256

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2019-16256

  30-day exploitation probability 4.9%

  first.org
• NIST NVDVulnerability recordCVE-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

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• Exploit · adaptivemobile.com
• US Government Resource · cisa.gov