VULNERABILITY INTELLIGENCE

CVE-2023-37015

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 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a `Path Switch Request` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

Weakness classification

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

Primary references

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