TR Latest: Rel-17 Security 5G

TR 33.873 – MUSIM Security Study and Solutions

3GPP TR 33.873 is the 3GPP Technical Report for MUSIM Security Study and Solutions. Its official 3GPP title is “Study on the security of the system enablers for devices having Multiple Universal Subscriber Identity Modules (MUSIM)”. It is part of 3GPP Rel-17 (version 17.1.0).

Analyzes security and privacy issues for devices with multiple USIMs, focusing on paging cause exposure, busy indication security, and UE-paging server communication.

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Document type
Technical Report
Latest release
Rel-17
Latest version
17.1.0
Series
Category
Security
Network layer
Security
Technology
5G

Releases and versions of TR 33.873

ReleaseLatest versionLinks
Rel-17 17.1.0 Read · Download (3GPP)

Scope of TR 33.873

Category: Security (Authentication and Authorization). Technology generation: 5G. Network layer: Security.

Who should read this specification?

Implementation notes

Complexity level: Intermediate. Implementation difficulty: Medium.

Key technologies

5GEPSNAS

Specifications referenced by TR 33.873

Other specifications in the 33 series

Related glossary terms

USIM5GSMUSIMUERRCNASNOTEAMFPCH3GRACHClause

Related topics

IMS & Voice (VoLTE, VoNR)Privacy (SUPI, SUCI)SecurityNAS (Non-Access Stratum)

Related technologies

5G

Frequently asked questions

What is 3GPP TR 33.873?

3GPP TR 33.873 is the 3GPP Technical Report for MUSIM Security Study and Solutions. Analyzes security and privacy issues for devices with multiple USIMs, focusing on paging cause exposure, busy indication security, and UE-paging server communication.

Which 3GPP releases include TR 33.873?

TR 33.873 is part of 3GPP Rel-17. The latest version on 3GPP Explorer is 17.1.0 (Rel-17).

What category does TR 33.873 belong to?

TR 33.873 belongs to the Security (Authentication and Authorization) category of 3GPP specifications. It applies to 5G networks.

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