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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-44473

Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse

Description

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection, then creates a GTP tunnel towards that radio. This vulnerability is fixed in 1.10.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ellanetworks core

  • < 1.10.0affected

References