Vulnerability Database

318,250

Total vulnerabilities in the database

CVE-2023-37020

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 a UE Context Release Complete message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.

  • Published: Jan 22, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-37020
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWEs:

Software From Fixed in
open5gs / open5gs - 2.6.4.x