Denial of Service Vulnerability in Open5GS MME by Open5GS
CVE-2023-37007

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
MME
Vendor
CVE Published:
22 January 2025

What is CVE-2023-37007?

Open5GS MME versions 2.6.4 and earlier are susceptible to a denial of service vulnerability that can be exploited remotely. An attacker can trigger an assertion failure by sending a malformed ASN.1 packet through the S1AP interface, specifically using a Handover Cancel message that omits the required MME_UE_S1AP_ID field. This manipulation can cause the MME to crash repeatedly, leading to a denial of service condition, severely affecting system 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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