CVE-2023-37017

Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface

High · published January 22, 2025

CVSS v3.1
8.6
EPSS
1%
Percentile
55.4
In the wild
Unconfirmed
What it is

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 `S1Setup Request` message missing a required `Global eNB ID` field to repeatedly crash the MME, resulting in denial of service.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00780 · 55.4th percentile
Published
2025-01-22T00:00Z
EPSS history
Timeline
  • 22 JAN 00:00Z
    Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface
    cvelistv5