Denial of Service Vulnerability in Open5GS MME by Open5GS
CVE-2024-34235

8.6HIGH

Key Information:

Vendor

Open5GS

Status
Open5GS MME
Vendor
CVE Published:
22 January 2025

What is CVE-2024-34235?

Open5GS MME versions up to 2.6.4 are prone to a denial of service vulnerability triggered by malformed ASN.1 packets over the S1AP interface. An attacker can exploit this flaw by sending an 'Initial UE Message' that omits the mandatory 'NAS_PDU' field, leading to repeated crashes of the MME. This vulnerability can significantly disrupt service availability, highlighting the need for immediate attention and remediation.

References

https://cellularsecurity.org/ransacked

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.