CVE-2023-37022

HIGH

Open5GS <= 2.6.4 - Denial of Service via MME_UE_S1AP_ID Assertion Failure

Title source: llm

Description

Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.

References (1)

Core 1

Core References

Exploit, Technical Description, Third Party Advisory

https://cellularsecurity.org/ransacked

Scores

CVSS v3 7.5

EPSS 0.0075

EPSS Percentile 50.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (1)

open5gs/open5gs < 2.6.4

Published Jan 22, 2025

Tracked Since Feb 18, 2026