CVE-2021-45462: OPEN5GS

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.

Affected products

• OPEN5GS OPEN5GS: version 2.4.0 only

Published 2021-12-23. Last modified 2026-06-17.