---
id: CVE-2024-14043
title: A vulnerability was determined in Open5GS up to 2.7.1
summary: >-
  A vulnerability was determined in Open5GS up to 2.7.1. This vulnerability
  affects the function mme_s6a_subscription_data_from_avp of the file
  src/mme/mme-fd-path.c of the component Diameter S6a Interface. Executing a
  manipulation of the …
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-119
  - CWE-122
published: '2026-08-12'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T23:10:00.233'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-14043'
references:
  - url: 'https://github.com/open5gs/open5gs/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/open5gs/open5gs/commit/7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/files/15051238/capture.pcap.gz'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/3156'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/releases/tag/v2.7.2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2024-14043'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/867106'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387281'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387281/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00504
epssPercentile: 0.40805
ingestedAt: '2026-10-02T00:04:54.717Z'
---

## Overview

A vulnerability was determined in Open5GS up to 2.7.1. This vulnerability affects the function mme_s6a_subscription_data_from_avp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. Executing a manipulation of the argument msisdn_len can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.2 is able to resolve this issue. This patch is called 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304. Upgrading the affected component is recommended.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.