CVE-2026-33907

MediumCVSS 6.5/10Last modified Oct 26, 2026

Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. 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 1.7.0 added IE presence verification to NAS message handling.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
ellanetworkscore< 1.7.0

References

Timeline

Published
Mar 27, 2026
Last modified
Oct 26, 2026
NVD status
Analyzed

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