CVE-2023-37012

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an `Initial UE Message` message missing a required `PLMN Identity` field to repeatedly crash the MME, resulting in denial of service.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 22, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2023

CVE-2023-370137.3Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interCVE-2023-370147.5Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An CVE-2023-370158.6Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An CVE-2023-370168.6Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An aCVE-2023-370178.6Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An aCVE-2023-370188.6Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An CVE-2023-370198.6Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An CVE-2023-370208.6Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An aCVE-2023-370218.6Open5GS MME version <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An aCVE-2023-370227.5Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalCVE-2023-370238.6Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `Uplink NAS Transport` packet handler. A packet missing its `MME_UE_S1AP_CVE-2023-370247.5A reachable assertion in the Mobile Management Entity (MME) of Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90f
CVE-2023-37012: Medium severity, CVSS 5.3 | Vulnix