Denial of Service Vulnerability in Open5GS MME Software by Open5GS
CVE-2023-37017

8.6HIGH

Key Information:

Vendor

Open5GS

Status
Open5GS MME
Vendor
CVE Published:
22 January 2025

What is CVE-2023-37017?

The Open5GS MME software versions up to 2.6.4 are susceptible to a denial of service vulnerability that can be exploited through the transmission of malformed ASN.1 packets over the S1AP interface. Specifically, an attacker can craft an S1Setup Request message that omits the mandatory Global eNB ID field, leading to repeated crashes of the MME service. This results in significant disruption and unavailability for users relying on the affected software.

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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

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