Denial of Service Vulnerability in Open5GS MME by Open5GS
CVE-2023-37006

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5GS MME
Vendor
CVE Published:
22 January 2025

What is CVE-2023-37006?

Open5GS MME versions prior to 2.6.4 are susceptible to a vulnerability that allows a remote attacker to trigger an assertion failure through a malformed ASN.1 packet sent over the S1AP interface. By exploiting this flaw, an attacker can send specifically crafted 'Handover Request Ack' messages that omit the required 'MME_UE_S1AP_ID' field, causing the MME process to crash repeatedly. This can lead to significant disruptions in service availability.

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References

https://cellularsecurity.org/ransacked

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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