Remote Denial of Service Vulnerability in Open5GS MME by Cellular Security
CVE-2023-37009

6.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5GS MME
Vendor
CVE Published:
22 January 2025

What is CVE-2023-37009?

Open5GS MME versions up to 2.6.4 are vulnerable to a denial of service attack due to an assertion that can be exploited via a malformed ASN.1 packet. An attacker can send a 'Handover Notification' message omitting the essential 'MME_UE_S1AP_ID' field, causing the MME to crash repeatedly. This vulnerability primarily affects the S1AP interface, leaving systems susceptible to interruptions and downtime.

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References

https://cellularsecurity.org/ransacked

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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