CVE-2023-37033

MEDIUM

Magma <= 1.8.0 - Denial of Service via S1AP Initial UE Message Missing EUTRAN_CGI Field

Title source: llm

Description

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

References (1)

Core 1

Core References

Exploit, Third Party Advisory

https://cellularsecurity.org/ransacked

Scores

CVSS v3 6.5

EPSS 0.0007

EPSS Percentile 21.0%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (1)

linuxfoundation/magma < 1.8.0

Published Jan 21, 2025

Tracked Since Feb 18, 2026