CVE-2026-33281

MEDIUM

Ella Core < 1.6.0 - Unauthenticated Denial of Service via NGAP Message PDU Session ID

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 NGAP messages with invalid PDU Session IDs outside of 1-15. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 added PDU Session ID validations during NGAP message handling.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0039
EPSS Percentile 30.9%
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-129
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