CVE-2023-37039

Name: CVE-2023-37039
Creator: NVD / NIST
Published: 2025-01-22T00:15:15.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-37039 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.23%

13.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

References

https://cellularsecurity.org/ransacked

Timeline

Published: Jan 22, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2023-37039?

How severe is CVE-2023-37039?

CVE-2023-37039 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37039?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37039?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST