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CVE-2024-56921

Date: February 2, 2025

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.

Severity Score

Related Resources (4)

https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840
https://github.com/open5gs/open5gs/issues/3608
https://nvd.nist.gov/vuln/detail/CVE-2024-56921
https://www.mend.io/vulnerability-database/CVE-2024-56921

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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