Assertion Failure Vulnerability in Open5GS UPF Affects Network Functionality
CVE-2025-29339

7.5HIGH

Key Information:

Vendor

Open5GS

Status
Open5GS UPF
Vendor
CVE Published:
22 April 2025

What is CVE-2025-29339?

A vulnerability in the Open5GS UPF causes assertion failures during the validation of PFCP session parameters, primarily triggered when processing a PFCP Session Establishment Request with an invalid PDN Type=0. This flaw leads to daemon crashes, impacting network operations and availability.

References

https://github.com/open5gs/open5gs/issues/3727

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.