Denial of Service Vulnerability in Open5GS MME by Cellular Security
CVE-2023-37002

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
MME
Vendor
CVE Published:
22 January 2025

What is CVE-2023-37002?

Open5GS MME versions up to 2.6.4 are susceptible to a denial of service attack triggered by sending malformed ASN.1 packets. An attacker exploiting this vulnerability can generate an E-RAB Modification Indication message lacking the essential MME_UE_S1AP_ID field. This can lead to repeated crashes of the MME, causing disruptions in services and significant operational challenges for affected networks.

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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CVE-2023-37002 : Denial of Service Vulnerability in Open5GS MME by Cellular Security