CVE-2023-37039

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A Null pointer dereference vulnerability in the Mobile Management Entity (MME) in Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allow network-adjacent attackers to crash the MME via an S1AP `Initial UE Message` packet missing an expected `RRC Establishment Clause` field.

Published 2025-01-22. Last modified 2026-06-17.