CVE-2026-33283

MEDIUM

Ella Core <1.6.0 - DoS

Title source: llm
STIX 2.1

Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.

Scores

CVSS v3 6.5
EPSS 0.0002
EPSS Percentile 6.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (3)
ellanetworks/core 0 - 1.6.0Go
ellanetworks/core < 1.6.0
ellanetworks/ella_core < 1.6.0
Published Mar 24, 2026
Tracked Since Mar 24, 2026