VULNERABILITY INTELLIGENCE

CVE-2023-37023

CVSS score8.6 HIGH

EPSS probability0.81%

CISA KEVNot currently listed

Published2025-01-22

Last modified2026-06-17

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

Description

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `Uplink NAS Transport` packet handler. A packet missing its `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

Weakness classification

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-617

Primary references

cve@mitre.org — Exploit, Technical Description, Third Party Advisory