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CVE-2026-33907

Ella Core

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.

CVSS 6.5EPSS 0.23600000000000002%Risk 0.66
View source
Published
2026-03-27 21:17:27
Affected versions
<1.7.0
Type
Core software
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H