CVE-2026-33283

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-24 00:16

Updated : 2026-03-24 19:30

NVD link : CVE-2026-33283

Mitre link : CVE-2026-33283

CVE.ORG link : CVE-2026-33283

JSON object : View

Products Affected

ellanetworks

ella_core

CWE

CWE-476

NULL Pointer Dereference

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